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Playas del Coco

Explore Category

Location

Regions
Guanacaste

Towns & nearby places
Playas del Coco

Highlights

explore playas del coco + nearby discoveriesBay-Side Life & Ocean Discoveries

Playas del Coco brings a coastal town and a Pacific bay together. Discover everyday life along the waterfront, notice the boats and birds, and ask how the sea connects with the community around it.

Explore with Pico & Tati
Turn a walk into a shared question, notice the world around you and discover how small choices help care for the places we visit.

Playas del Coco Bay

Coco’s bay is a place to notice boats, shoreline activity and coastal life. Explore from established public space and ask about current water conditions. A sheltered-looking bay still requires informed choices around swimming and boat traffic.

A Walk Along Coco’s Waterfront

Make a short waterfront outing into a comparison of sand, wave lines and the town around the bay. Use public routes and plan for sun, weather and your group’s abilities. Keep clear of working boats and equipment.

Playa Ocotal

Ocotal is a separate nearby beach setting bordered by hills. Confirm your route and use an established entrance. Enjoy observing the coastal landscape without assuming that every part of the bay is suitable for swimming or snorkeling on a given day.

Bahía Pez Vela near Ocotal

The coastal area south of Ocotal includes the smaller bay known as Pez Vela or Azul. Check lawful public access and the actual route before visiting; nearby accommodations or facilities may be private.

Playa Hermosa — Guanacaste

This Guanacaste beach is different from the beaches called Hermosa near Jacó or Santa Teresa. Check the precise map location and current conditions when planning a nearby outing from Coco.

Playa Panamá

Panamá is another bay-side setting in the Guanacaste coastal area. Plan it as a separate stop and use an established entrance. Compare shoreline vegetation and the view while following local water and access guidance.

The Papagayo Coastal Landscape

The wider Papagayo area brings together bays, hills and separate visitor developments. Pick a specific permitted destination instead of treating the whole coastline as one walkable place. Ask about public access before entering a road or property.

Islote Centinela from the Coast

The local tourism description identifies Centinela near Coco’s bay. Appreciate offshore shapes from a secure place on shore. Any boat approach or landing requires appropriate permission, conditions and an established plan; a map label is not an invitation to enter.

Boats and Everyday Coastal Life

Coco’s tourism and working shoreline connect with several kinds of boat activity. Observe from permitted public areas and ask a willing host about local sea journeys. Stay clear of launching, loading and restricted dock spaces.

A Snorkeling Question Before Booking

A marine outing begins with choosing conditions and equipment for the participants. Ask the operator about swimming ability, ages, flotation and how wildlife is protected. Do not stand on marine habitat or assume every advertised trip suits every child.

Coastal Bird Observation at Coco

Use a quiet pause along an established public route to compare birds’ silhouettes and movement. Watch without feeding or approaching nests. Record what you saw and the habitat instead of assuming a particular species will always be present.

Caring for Coco’s Bay

Small visitor choices support the places people come to enjoy. Secure your rubbish, leave shells and wildlife in place and keep clear of fragile coastal habitat. Ask local hosts how to take part in any current organized stewardship activity.

PLAYAS DEL COCO WEATHER

local life + insider tipsA Little Local Know-How

Start with an unhurried town-and-shore outing. Beaches nearby each have their own access and conditions; a boat trip, a dive and a family beach walk are different plans. Confirm the route and activity requirements before setting out.

Both names are used for the Coco destination. This page uses Playas del Coco, matching the existing town label in our Explore system.

Playas del Coco is in Carrillo canton, Guanacaste province. The name Coco does not mean the destination is on Cocos Island.

No. Conditions, boat activity and individual ability still matter. Follow local warnings and choose a suitable area with informed supervision.

Participation depends on the activity, conditions and the operator’s requirements. Ask about age, swimming ability, training and flotation equipment before booking.

Confirm the meeting point, access, transport and facilities with the responsible host or authority. Choose the route and activity for your group’s abilities and the current conditions.

Keep a flexible plan and check the forecast for the specific place you will visit. Local conditions can affect roads, trails, outdoor events and water activities.

Use public or authorized routes, ask before photographing people and support local hosts. Leave plants and wildlife in place and take your rubbish with you.

Choose one thing to observe closely, share what you noticed and ask a new question. You do not need a long checklist to learn something together.

things to doLittle Adventures Around Playas del Coco

Start With a Walk Along Coco’s Bay

Begin along the beachfront, where Coco’s curved bay, anchored boats and surrounding hills introduce the town’s coastal setting. Pair a morning beach walk with breakfast nearby, then explore the shops along the main street. It is an easy way to get acquainted before planning adventures farther offshore.

Discover the Bay’s Coastal Birds

Bring binoculars for a relaxed birdwatching stop beside the bay. Try identifying pelicans gliding above the water and frigatebirds circling overhead, then compare their different wings and fishing styles. This makes a simple activity between larger outings, without needing a boat trip or a full morning on a trail.

Make Time for a Coastal Meal

Settle into a local soda or restaurant for a casado, grilled fish or another dish that catches your interest. Ask which fish is being served and how it is prepared rather than assuming every seafood dish comes from the bay. Leave time for a fresh fruit drink and an unhurried meal together.

Explore Below the Surface

Arrange a guided snorkeling outing from Coco to explore the marine life around nearby coastal sites. Ask the operator to select a location suited to your group’s swimming ability and the day’s visibility. Make identifying fish part of the adventure, while remembering that wildlife sightings are never guaranteed.

Spend a Morning at Playa Ocotal

Take a separate outing to nearby Playa Ocotal for a change of scenery from Coco’s main waterfront. Its darker sand and rocky edges give the beach a different character. Enjoy a shoreline walk and a leisurely meal nearby; if you want to snorkel, check conditions and arrange suitable guidance first.

Sail Beyond the Bay

Book a sailing or boat excursion to experience Coco’s coastline from the water. Compare trips by their route, time aboard and whether snorkeling is included, rather than choosing only by the departure time. Confirm boarding arrangements and children’s requirements, then let the headlands and open-water views become part of the day.

Visit Guanacaste’s Playa Hermosa

Plan a separate beach visit to Playa Hermosa in Guanacaste, north of Coco—not the Pacific beach of the same name near Jacó. Its broad bay offers another setting for a beach walk and a relaxed lunch. Check local water conditions before swimming, even when the surface appears calm.

End the Day Beside the Water

Return to Coco’s beachfront as the afternoon cools and give the day a slower finish. Choose a comfortable public spot for the changing sky, boats on the bay and a family photograph. Follow it with dinner nearby—a simple evening that leaves room to enjoy the town between organized excursions.

Explore Nature Field Guide cards from this province and the surrounding travel regions named below. Habitats and species vary by locality.

Nature Field Guide

Nature & Wildlife Around Playas del Coco

Discover the marine life, coastal birds and tropical plants of Playas del Coco and the wider Guanacaste region. Explore Pacific ocean habitats, rocky shores and nearby dry forests—and the species that make each setting distinctive.

100 profiles

Nature Field Guide

Alexander’s Spiny Brittle Star

Spanish name
Ofiura espinosa de Alexander
Scientific name
Ophiocomella alexandri
Coastal Life · Marine Life · Sea Stars & Brittle Stars Marine Reef

What Do Pico & Tati Think?

Pico and Tati discover that a brittle star’s scientific name can change as scientists learn more about its relatives.

Identification

Key Features of the Alexander’s Spiny Brittle Star

  • A clearly defined central disc

  • Long flexible arms

  • Check both current and older scientific names when reading a reference

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

View full profile →

Nature Field Guide

Almendro de Rio

Spanish name
Almendro de río / Almendro de montaña
Scientific name
Andira inermis
Trees Rivers & Streams · Tropical Dry Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Purple flower clusters stand out against a dense green crown.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Almendro de Rio

  • Pinnate compound leaves

  • Clusters of lavender-purple flowers

  • Oval fruits and a dense leafy crown

Habitat & range

Dry and humid forests across both slopes, including Guanacaste, Nicoya, the Central Valley, Caribbean lowlands and Osa.

Conservation & care

Explore with an adult on permitted paths. Observe and photograph without picking leaves, flowers or fruits. Do not taste plants or let pets chew them. Avoid climbing trees and disturbing roots, seedlings or visiting wildlife.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

View full profile →

Nature Field Guide

American Crocodile

Spanish name
Cocodrilo americano
Scientific name
Crocodylus acutus
Reptiles Estuary & Mangroves · Freshwater · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

Pico: “It blends into the riverbank so well.”

Tati: “We can observe from here with our guide. We don’t need to move closer.”

Identification

Key Features of the American Crocodile

  • A long snout and narrow head.

  • An olive-brown adult body with a long, strong tail.

  • Much of the body may be concealed in water or beside a bank.

Habitat & range

Rivers, estuaries, mangrove channels and other aquatic habitats. Observe only from a guide-approved boat or designated viewing place.

Seasonal Calendar

Egg-laying

General species biology; local schedule unverified

Apr, May

General species reference: April–May egg-laying and about 9–10 weeks of incubation. Tamarindo-specific nesting dates have not been verified. Never approach nests.

Event source ↗

Conservation & care

Never feed, approach or provoke crocodiles. Stay in the boat, keep hands inside, and follow local signs and guide instructions. Keep children and pets away from water edges.

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Nature Field Guide

American Pebble Crab

Spanish name
Cangrejo piedra americano
Scientific name
Daira americana
Coastal Life · Crabs & Hermit Crabs · Marine Life Rocky Shore

What Do Pico & Tati Think?

A crab can blend into a rocky neighborhood. Pico watches patiently while Tati compares the outline with the stones around it.

Identification

Key Features of the American Pebble Crab

  • A compact crab body

  • A textured carapace

  • Confirm the identification from a detailed photograph

Habitat & range

Rocky shore and naturally visible tidal habitat. Choose a permitted observation point with an adult; do not turn rocks or reach into holes.

Conservation & care

Give claws and burrow entrances space. Do not handle, feed, chase or collect crabs. Leave rocks and shells where they are, and follow your adult’s route and local signs.

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Nature Field Guide

Anhinga

Spanish name
Aninga o pato aguja
Scientific name
Anhinga anhinga
Birds · Coastal Birds · Wetland Birds Freshwater · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

A long neck rises above the water like a question mark. Pico waits while Tati looks for the rest of the bird.

Identification

Key Features of the Anhinga

  • Very long slender neck

  • Straight pointed bill

  • Long tail and pale wing markings

  • Often rests with wings spread

Habitat & range

Scan sheltered freshwater wetlands and wooded lagoon margins for swimming birds or a resting bird on a branch. Observe from a permitted viewpoint.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Apple Rocksnail

Spanish name
Caracol de roca
Scientific name
Vasula melones
Sea Snails & Limpets · Seashells Rocky Shore

What Do Pico & Tati Think?

An apple rocksnail lives among the rocks of the lower shore.

Identification

Key Features of the Apple Rocksnail

  • Coiled rocksnail shell.

  • Compare its broad outline, spire and opening with an identified reference.

  • Older labels may use the name Thais melones.

Habitat & range

Lower rocky intertidal zone.

Conservation & care

Observe and photograph shells where they are. Leave living animals, occupied shells and empty shells in place. Do not pry animals from rocks, dig in mangroves or put fingers into shell openings. Explore with an adult or guide, follow site rules and stay clear of surf and slippery rocks.

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Nature Field Guide

Arbacia Sea Urchin

Spanish name
Erizo Arbacia
Scientific name
Arbacia stellata
Coastal Life · Marine Life · Sea Urchins Marine Reef

What Do Pico & Tati Think?

Pico sees a spiny shape. Tati asks how many different kinds of urchin might share a coast.

Identification

Key Features of the Arbacia Sea Urchin

  • A rounded body covered with spines

  • Observe the proportions of the body and spines

  • Use a species reference to compare similar urchins

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

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Nature Field Guide

Baird’s Tapir

Spanish name
Danta
Scientific name
Tapirus bairdii
Mammals Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Its nose can reach the leaves!”

Tati: “Let’s keep the path open and give it plenty of room.”

Endangered

Identification

Key Features of the Baird’s Tapir

  • Large dark body and short flexible snout.

  • Pale edges around the ears.

  • Young calves have pale spots and stripes.

Habitat & range

Corcovado National Park’s forest and wetland landscape, including the Sirena area. Puerto Jiménez, Bahía Drake and Carate are gateways.

Conservation & care

Keep a respectful distance and leave an open route for the animal. Stay on authorized paths, secure food and rubbish, and observe without feeding, touching, baiting or chasing.

Threats & pressures

Habitat clearing and fragmentation, hunting and vehicle collisions threaten tapirs. Slow reproduction limits rapid recovery.

Conservation assessment

Global IUCN category as reported by the linked source, checked 7 October 2026. The source does not give an assessment year here. National legal protection and local abundance are separate questions.

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Nature Field Guide

Baltimore Oriole

Spanish name
Bolsero norteño
Scientific name
Icterus galbula
Birds Farms & Cultivated Land · Forest Edge · Gardens · Open Woodland

What Do Pico & Tati Think?

Pico: “Did that bird travel here?”

Tati: “Baltimore orioles connect Costa Rica with places farther north.”

Identification

Key Features of the Baltimore Oriole

  • Male orange body and black head

  • White wingbar

  • Slender pointed bill

Habitat & range

A migrant and nonbreeding visitor, generally September to early May. Occurs on both slopes, especially the northern Pacific and Central Valley, in wooded gardens, edges and plantations.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Migrants depend on suitable habitat across their full annual journey. Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Banded Peacock Butterfly

Spanish name
Mariposa pavo real bandeada
Scientific name
Anartia fatima
Butterflies & Moths Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the banded peacock butterfly!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Banded Peacock Butterfly

  • Brown wings

  • pale band across wings

  • reddish accents toward hindwings

Habitat & range

Forest paths, edges and nearby vegetation in Guanacaste. Local habitat and abundance vary.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Banded Serpent Brittle Star

Spanish name
Ofiura de brazos anillados
Scientific name
Ophionereis annulata
Coastal Life · Marine Life · Sea Stars & Brittle Stars Marine Reef

What Do Pico & Tati Think?

Patterns help Tati remember a discovery. Pico sketches the bands he can see along a slender arm.

Identification

Key Features of the Banded Serpent Brittle Star

  • A small central disc

  • Long flexible arms

  • Darker bands along the arms

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

View full profile →

Nature Field Guide

Barberfish

Spanish name
Mariposa barbero
Scientific name
Johnrandallia nigrirostris
Marine Fish · Marine Life Marine Reef

What Do Pico & Tati Think?

Pico: “It looks like a little yellow disc.”

Tati: “The black markings and the small pointed mouth give us more clues.”

Identification

Key Features of the Barberfish

  • A flattened, oval, disc-like body.

  • A yellow body and fins with contrasting dark head markings.

  • A small mouth at the end of a short pointed snout.

Habitat & range

Reef-associated settings in the eastern Pacific, with documented occurrence at Isla del Coco.

Conservation & care

Follow park rules and qualified guides. Do not feed, touch, chase or collect marine wildlife. Maintain distance and avoid contact with reef habitat.

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Nature Field Guide

Bare-necked Umbrellabird

Spanish name
Pájaro sombrilla
Scientific name
Cephalopterus glabricollis
Birds Cloud Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “That crest makes such an unusual shape!”

Tati: “We can learn about a shy bird without following it.”

Endangered

Identification

Key Features of the Bare-necked Umbrellabird

  • Large dark bird with a heavy crest.

  • Short, square tail.

  • Male and female throat structures differ.

Habitat & range

Humid Caribbean-facing foothills and adjacent lowlands, with seasonal movement into montane breeding forest. Guanacaste refers to humid mountain slopes, not its dry coastal plain.

Conservation & care

Stay on authorized trails or viewing routes. Give birds space, keep voices low and leave nests undisturbed. Observe without bait, feeding or recorded calls.

Threats & pressures

UCAN identifies forest fragmentation and climate pressures on seasonal fruit availability as conservation concerns.

Conservation assessment

UCAN identifies the species as Endangered. Source checked 7 October 2026. This is a global species category, not a count of birds in the tagged towns.

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Nature Field Guide

Bare-throated Tiger-Heron

Spanish name
Garza tigre cuellinuda
Scientific name
Tigrisoma mexicanum
Birds · Coastal Birds · Herons & Egrets Estuary & Mangroves · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

Pico wonders where the tiger is hiding. Tati points to the fine patterns on a very watchful heron.

Identification

Key Features of the Bare-throated Tiger-Heron

  • Bare yellow throat patch

  • Adult finely barred neck and body

  • Gray cheeks and greenish legs

  • Young birds have bold brown bands

Habitat & range

Scan shallow water, quiet mangrove channels and vegetated wetland margins from an established viewpoint. Follow a local guide’s directions around estuaries.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Beach Morning Glory

Spanish name
Churristate de playa / Pudre oreja
Scientific name
Ipomoea pes-caprae
Other Plants Beach

What Do Pico & Tati Think?

Pico: “These flowers grow right across the sand!”

Tati: “Let’s look at the shape of the leaves without stepping on the vine.”

Identification

Key Features of the Beach Morning Glory

  • Creeping stems extending across beach sand.

  • Simple leaves with a notch giving a goat’s-hoof appearance.

  • Pink-purple flowers with a joined, funnel-like corolla.

Habitat & range

Upper sandy beaches in tropical coastal habitats. Observe vegetation from established access routes rather than stepping across vines.

Seasonal Calendar

Main flowering window

Costa Rican coastal populations

Jul, Aug, Sep, Oct, Nov

ACG reports abundant flowers July–November and seed maturation December–April on Costa Rican coasts. Typical seasonal windows, not exact dates.

Event source ↗

Seed maturation

Costa Rican coastal populations

Jan, Feb, Mar, Apr, Dec

ACG reports abundant flowers July–November and seed maturation December–April on Costa Rican coasts. Typical seasonal windows, not exact dates.

Event source ↗

Conservation & care

Do not uproot vines, pick flowers or taste plant parts. Use existing beach paths and avoid trampling coastal vegetation.

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Nature Field Guide

Beach Spider Lily

Spanish name
Lirio araña
Scientific name
Hymenocallis littoralis
Other Plants Beach

What Do Pico & Tati Think?

Pico wants to sketch the plant’s shapes. Tati suggests looking for three clues before guessing its name. What would you notice first?

Identification

Key Features of the Beach Spider Lily

  • Long strap-shaped leaves

  • Six narrow spreading white flower segments

  • A white central cup

Habitat & range

Coastal vegetation and planted gardens.

Conservation & care

Observe from paths and leave leaves, bark, flowers and fruits attached. Do not taste wild plants or offer them to pets. Ask a knowledgeable guide to confirm the species.

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Nature Field Guide

Bejuco Cucharilla

Spanish name
Bejuco cucharilla
Scientific name
Bignonia diversifolia
Other Plants Forest Edge · Tropical Dry Forest

What Do Pico & Tati Think?

Meet the plant behind Abu’s basket. Bejuco cucharilla is a woody climbing vine, also called a liana. It grows with the support of other plants. Its leafy shoots and lilac tubular flowers offer clues to its identity.

Costa Rican craft references document cucharilla as a material for woven baskets. Woody vine material can become more flexible when moistened, allowing a skilled maker to shape and weave it. A basket begins with a plant and takes form through patient work.

In our story, Abu learned to weave from her mother. Now she invites Pico and Tati to learn too. Her family history is fictional, while the connection between this vine and Costa Rican basket making is documented.

Scientific name note: Kew accepts Bignonia diversifolia. Many Costa Rican botanical and craft sources use the synonym Cydista diversifolia.

Identification

Key Features of the Bejuco Cucharilla

  • A woody climbing stem rather than a self-supporting tree trunk.

  • Opposite compound leaves, typically with two leaflets and sometimes a simple tendril.

  • Smooth-edged leaflets with pointed tips and a rounded or somewhat heart-shaped base.

  • Lilac to pinkish tubular flowers; young branches have a distinctly angular, four-sided form.

Habitat & range

Documented in Costa Rica’s lowland forests, including deciduous and semideciduous forest in Guanacaste. Botanical collections include Nandayure and Barra Honda on the Nicoya Peninsula.

Conservation & care

Observe and photograph vines without cutting or pulling them. Leave wild plants and flowers in place. Learn about materials from a knowledgeable artisan and use paper or responsibly sourced craft materials for your own weaving.

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Nature Field Guide

Belt’s Eyed Silk Moth

Spanish name
Polilla de ojos de Belt
Scientific name
Automeris belti
Butterflies & Moths Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the belt’s eyed silk moth!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Belt’s Eyed Silk Moth

  • Leaf-like forewings

  • large eye spots on hindwings

  • stout fuzzy body

Habitat & range

Forest paths, edges and nearby vegetation in Guanacaste. Local habitat and abundance vary.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

View full profile →

Nature Field Guide

Big-headed Anole

Spanish name
Anolis de cabeza ancha / Anolis jaspeado
Scientific name
Anolis capito
Reptiles Forest Edge · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “What clues help us recognize this reptile?”

Tati: “Let’s notice its shape, markings and habitat from a respectful distance.”

Identification

Key Features of the Big-headed Anole

  • Broad relatively large head

  • Mottled brown, olive or greenish body

  • Stout build and bark-colored camouflage

Habitat & range

Shaded Caribbean-slope forest and southwestern rainforest; also documented in humid forest at Rincón de la Vieja.

Conservation & care

Observe with an adult from permitted paths. Do not catch, chase, touch or feed reptiles. Leave bark, logs, rocks and leaf litter in place. Keep pets away and allow animals an open escape route.

Threats & pressures

Protect habitat connections and natural shelters. Avoid road mortality, collection and deliberate killing. Leave reptiles in their habitat rather than keeping or relocating them.

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Nature Field Guide

Black Mangrove

Spanish name
Mangle negro / Palo de sal
Scientific name
Avicennia germinans
Trees Estuary & Mangroves

What Do Pico & Tati Think?

Pico: “Pencil-shaped breathing roots rise from the mud around this mangrove.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Black Mangrove

  • Opposite oval leaves with pale undersides

  • Upright pencil-shaped roots

  • Small pale flowers

Habitat & range

Coastal mangroves; Pacific documentation includes Guanacaste and Tivives near the Gulf of Nicoya. Gandoca provides a documented Caribbean example.

Conservation & care

Explore mangroves only with an adult on permitted paths or a guided route. Do not step on roots, collect seedlings or enter mud and tidal channels. Leave leaves and wildlife undisturbed.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

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Nature Field Guide

Black Marlin

Spanish name
Marlín negro
Scientific name
Istiompax indica
Billfish · Marine Fish · Marine Life Ocean

What Do Pico & Tati Think?

Pico: “How can we tell this marlin apart?”

Tati: “Its stiff side fins are a useful clue.”

Identification

Key Features of the Black Marlin

  • Rigid pectoral fins that do not fold flat against the body.

  • A substantial head and comparatively stout bill.

  • A powerful streamlined body.

Habitat & range

Offshore Pacific waters.

Conservation & care

Observe marine wildlife without feeding, touching or chasing it. Keep litter and discarded fishing line out of waterways. Follow qualified guides and current local rules.

Threats & pressures

Fishing capture is a conservation concern for billfish. Tracking catches and releases helps assess pressures across a migratory range.

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Nature Field Guide

Black Spiny Brittle Star

Spanish name
Ofiura negra espinosa
Scientific name
Ophiocoma aethiops
Coastal Life · Marine Life · Sea Stars & Brittle Stars Marine Reef · Rocky Shore

What Do Pico & Tati Think?

A thin arm at the edge of a shelter can be an entire discovery. Pico waits quietly; Tati draws only what is visible.

Identification

Key Features of the Black Spiny Brittle Star

  • A central disc distinct from the arms

  • Long slender arms with visible spines

  • Only part of the animal may be visible naturally

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

View full profile →

Nature Field Guide

Black Spiny-tailed Iguana

Spanish name
Garrobo
Scientific name
Ctenosaura similis
Reptiles Open Woodland · Tropical Dry Forest

What Do Pico & Tati Think?

Pico and Tati invite you to learn about the black spiny-tailed iguana. Use a photograph to compare this tail with the smooth-looking outline of a green iguana tail.

Identification

Key Features of the Black Spiny-tailed Iguana

  • Rings of pointed scales on the tail.

  • Gray or brown adults with dark body bands.

  • Raised scales along the back.

Habitat & range

Pacific-slope dry forest, rocky ground and open wooded areas.

Conservation & care

Watch wildlife with an adult from a safe path. Do not touch, feed, capture or move reptiles, and keep pets away. Leave eggs, shelters and vegetation undisturbed.

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Nature Field Guide

Black Vulture

Spanish name
Zopilote negro
Scientific name
Coragyps atratus
Birds Farms & Cultivated Land · Open Woodland

What Do Pico & Tati Think?

Pico: “Which vulture is that one?”

Tati: “Look for the short tail and pale patches just at the wingtips.”

Identification

Key Features of the Black Vulture

  • Bare dark head

  • Short rounded tail

  • White patches at outer wingtips

Habitat & range

Widespread over towns and open landscapes from the coast into the mountains, becoming less frequent above about 2000 m. A regional tag does not identify a nesting site.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Black Witch Moth

Spanish name
Polilla bruja
Scientific name
Ascalapha odorata
Butterflies & Moths Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the black witch moth!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Black Witch Moth

  • Broad dark brown wings

  • fine wavy lines

  • small curled forewing markings

Habitat & range

Forest paths, edges and nearby vegetation in Guanacaste. Local habitat and abundance vary.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Black-bellied Plover

Spanish name
Chorlito gris
Scientific name
Pluvialis squatarola
Birds · Coastal Birds · Shorebirds Beach · Estuary & Mangroves · Sand & Mud Flats

What Do Pico & Tati Think?

Pico expects a black belly. Tati’s winter bird has a pale belly and a very different outfit.

Identification

Key Features of the Black-bellied Plover

  • Large round-headed plover

  • Short stout dark bill

  • Gray upperparts and pale nonbreeding belly

  • Dark armpit patch visible in natural flight

Habitat & range

Scan exposed shoreline feeding areas and nearby resting places with binoculars. The tide changes which flats are available; remain on a safe established route.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Black-crowned Night-Heron

Spanish name
Martinete coroninegro
Scientific name
Nycticorax nycticorax
Birds Estuary & Mangroves · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

Pico: “This heron looks shorter and rounder than the others!”

Tati: “It may be resting now and feeding later.”

Identification

Key Features of the Black-crowned Night-Heron

  • Stocky body and short-looking neck.

  • Adult: black crown and back, gray wings.

  • Young: brown plumage with pale spots.

Habitat & range

Wetland and mangrove populations include the Tempisque and Gulf of Nicoya landscape and local Caribbean lowlands. Resident birds and seasonal visitors both occur.

Conservation & care

Stay on authorized trails or viewing routes. Give birds space, keep voices low and leave nests undisturbed. Observe without bait, feeding or recorded calls.

Threats & pressures

Wetland drainage, development and contaminated runoff can degrade habitat and water quality.

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Nature Field Guide

Black-necked Stilt

Spanish name
Cigüeñuela cuellinegra
Scientific name
Himantopus mexicanus
Birds · Coastal Birds · Shorebirds Estuary & Mangroves · Sand & Mud Flats · Wetlands

What Do Pico & Tati Think?

Those pink legs look almost too long for Pico’s page. Tati turns the journal upright to draw the whole bird.

Identification

Key Features of the Black-necked Stilt

  • Very long pink legs

  • Thin straight black bill

  • White underparts with dark back and hindneck

Habitat & range

Scan exposed shoreline feeding areas and nearby resting places with binoculars. The tide changes which flats are available; remain on a safe established route.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Blue Marlin

Spanish name
Marlín azul
Scientific name
Makaira nigricans
Billfish · Marine Fish · Marine Life Ocean

What Do Pico & Tati Think?

Pico: “Its back is such a deep blue!”

Tati: “Let’s compare its fin and bill with the other marlin.”

Identification

Key Features of the Blue Marlin

  • A long spear-shaped bill.

  • A cobalt-blue back and silvery underside.

  • A pronounced front dorsal fin and crescent-shaped tail.

Habitat & range

Warm tropical and subtropical open water.

Seasonal Calendar

Regional presence

Costa Rican Pacific waters

Year-round

FECOP reports year-round Costa Rican Pacific presence and a historical May–September Guanacaste fishing peak. Catch patterns are not exact migration or breeding dates.

Event source ↗

Reported fishing peak

Guanacaste offshore waters

May, Jun, Jul, Aug, Sep

FECOP reports year-round Costa Rican Pacific presence and a historical May–September Guanacaste fishing peak. Catch patterns are not exact migration or breeding dates.

Event source ↗

Conservation & care

Observe marine wildlife without feeding, touching or chasing it. Keep litter and discarded fishing line out of waterways. Follow qualified guides and current local rules.

Threats & pressures

Blue marlin can be caught incidentally in longline fisheries targeting tuna and swordfish. Fishing pressure needs monitoring across its migratory range.

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Nature Field Guide

Blue Morpho

Spanish name
Mariposa morfo azul
Scientific name
Morpho helenor
Butterflies & Moths Forest Edge · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “Let's look closely at the blue morpho!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Blue Morpho

  • Brilliant blue upper wings with broad dark margins

  • brown underside with eye spots

Habitat & range

Forest paths, edges and nearby vegetation in Guanacaste. Local habitat and abundance vary.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Blue Sea Star

Spanish name
Estrella azul
Scientific name
Phataria unifascialis
Coastal Life · Marine Life · Sea Stars & Brittle Stars Marine Reef

What Do Pico & Tati Think?

An ocean star can turn a quiet look underwater into a new question. What details would help you recognize it again?

Identification

Key Features of the Blue Sea Star

  • A central body with spreading arms

  • Record the visible color and pattern

  • Confirm the species using several features together

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

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Nature Field Guide

Blue-gray Tanager

Spanish name
Tangara azuleja
Scientific name
Thraupis episcopus
Birds Forest Edge · Gardens · Open Woodland

What Do Pico & Tati Think?

Pico: “It looks like a piece of the sky!”

Tati: “Let’s see where the blue is pale and where it is brighter.”

Identification

Key Features of the Blue-gray Tanager

  • Powder blue-gray body

  • Brighter blue wings and shoulder

  • Dark eye and stout bill

Habitat & range

Widespread in gardens, towns and semi-open wooded areas, mainly below about 2000 m. In the dry northwest it is less frequent and associated with moister sites near homes.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Boat-billed Heron

Spanish name
Chocuaco o picocuchara
Scientific name
Cochlearius cochlearius
Birds · Coastal Birds · Herons & Egrets Estuary & Mangroves · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

That broad bill looks unlike the pointed bills Pico has drawn. Tati adds a new shape to the explorer journal.

Identification

Key Features of the Boat-billed Heron

  • Very broad boat-shaped bill

  • Large dark eyes and black crown

  • Stocky body with gray back

Habitat & range

Scan shallow water, quiet mangrove channels and vegetated wetland margins from an established viewpoint. Follow a local guide’s directions around estuaries.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Bradley’s Sea Star

Spanish name
Estrella de mar de Bradley
Scientific name
Mithrodia bradleyi
Coastal Life · Marine Life · Sea Stars & Brittle Stars Marine Reef

What Do Pico & Tati Think?

A sea star can look still while its place in the reef is full of life. Pico wants to sketch its outline; Tati wants to compare its arms.

Identification

Key Features of the Bradley’s Sea Star

  • Arms radiating from a central body

  • A textured upper surface

  • Compare the whole outline with a verified species photograph

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

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Nature Field Guide

Brown Pelican

Spanish name
Pelícano pardo
Scientific name
Pelecanus occidentalis
Birds Beach · Ocean · Rocky Shore

What Do Pico & Tati Think?

Pico: “Look at that enormous bill!”

Tati: “Let’s compare its shape with the other birds by the water.”

Identification

Key Features of the Brown Pelican

  • A long bill with a pouch beneath the lower jaw.

  • A large gray-brown body and broad wings.

  • Head and neck colors change with age and breeding condition.

Habitat & range

Coastal waters along the Pacific, with less frequent nonbreeding visitors on the Caribbean coast. Regional tags refer to coastal habitat, not inland towns.

Seasonal Calendar

Resident presence

Isla San Lucas, Costa Rica

Year-round

SINAC lists Brown Pelican as a resident at Isla San Lucas on Costa Rica’s Pacific coast. This regional pattern does not guarantee a Tamarindo sighting or establish a local breeding calendar.

Event source ↗

Conservation & care

Do not feed birds or approach resting groups. Dispose of fishing line responsibly and leave nests undisturbed.

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Nature Field Guide

Bull Shark

Spanish name
Tiburón toro
Scientific name
Carcharhinus leucas
Marine Life · Sharks Beach · Estuary & Mangroves · Freshwater · Marine Reef · Ocean · Rivers & Streams

What Do Pico & Tati Think?

Pico: “That shark looks strong and stocky!”

Tati: “It can move between salt water and fresh water.”

Identification

Key Features of the Bull Shark

  • A stocky gray body with a pale belly.

  • A short, broad rounded snout and small eyes.

  • A large triangular first dorsal fin.

Habitat & range

Tropical and subtropical coastal waters, estuaries and some freshwater systems.

Conservation & care

Observe marine wildlife without feeding, touching or chasing it. Keep litter and discarded fishing line out of waterways. Follow qualified guides and current local rules.

Threats & pressures

Capture in fisheries affects bull sharks. Coastal development and damage to estuarine nursery habitats can put young animals under additional pressure.

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Nature Field Guide

Buttercup Tree

Spanish name
Poro poro
Scientific name
Cochlospermum vitifolium
Trees Tropical Dry Forest

What Do Pico & Tati Think?

Pico wants to sketch the tree’s silhouette. Tati suggests looking for three clues before guessing its name. What would you notice first?

Identification

Key Features of the Buttercup Tree

  • Large open yellow flowers

  • Simple leaves with three to five lobes

  • Roundish capsules with fluffy seed fibers

Habitat & range

Seasonal woodland and open dry landscapes.

Conservation & care

Observe from paths and leave leaves, bark, flowers and fruits attached. Do not taste wild plants or offer them to pets. Ask a knowledgeable guide to confirm the species.

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Nature Field Guide

Buttonwood

Spanish name
Mangle botoncillo / Botoncillo
Scientific name
Conocarpus erectus
Trees Beach · Estuary & Mangroves

What Do Pico & Tati Think?

Pico: “Small buttonlike fruit heads help identify this coastal tree or shrub.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Buttonwood

  • Simple alternate leaves

  • Round buttonlike fruit heads

  • Often at the landward mangrove edge

Habitat & range

Coastal margins, including documented mangrove-edge habitat at Tivives and the North Pacific. Gandoca provides a documented Caribbean example.

Conservation & care

Explore with an adult on permitted paths. Observe and photograph without picking leaves, flowers or fruits. Do not taste plants or let pets chew them. Avoid climbing trees and disturbing roots, seedlings or visiting wildlife.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

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Nature Field Guide

Calcinus Hermit Crab

Spanish name
Cangrejo ermitaño Calcinus
Scientific name
Calcinus obscurus
Coastal Life · Crabs & Hermit Crabs · Marine Life Rocky Shore

What Do Pico & Tati Think?

Pico thinks a shell has moved. Tati waits until a small leg appears before writing down what she has seen.

Identification

Key Features of the Calcinus Hermit Crab

  • A marine hermit crab in a borrowed shell

  • Visible legs and claws at the shell opening

  • The shell species and crab species are separate identifications

Habitat & range

Rocky shore and naturally visible tidal habitat. Choose a permitted observation point with an adult; do not turn rocks or reach into holes.

Conservation & care

Give claws and burrow entrances space. Do not handle, feed, chase or collect crabs. Leave rocks and shells where they are, and follow your adult’s route and local signs.

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Nature Field Guide

Carpenter Bees

Spanish name
Abejas carpinteras
Scientific name
Xylocopa spp. — genus card
Other Insects Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the carpenter bees!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Carpenter Bees

  • Robust body

  • often shiny abdomen

  • some nest in wood

Habitat & range

Suitable forest, garden or open habitats; distribution varies with habitat and species.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Ceiba Kapok Tree

Spanish name
Ceiba / Puri
Scientific name
Ceiba pentandra
Trees Rivers & Streams · Tropical Dry Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Huge buttress roots help make a mature ceiba unforgettable.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Ceiba Kapok Tree

  • Large buttress roots on mature trees

  • Palmate leaves with several narrow leaflets

  • Seed capsules containing silky fibers

Habitat & range

Dry, humid and very wet lowland forests on both slopes, including Pacific, Caribbean and northern lowland landscapes.

Conservation & care

Explore with an adult on permitted paths. Observe and photograph without picking leaves, flowers or fruits. Do not taste plants or let pets chew them. Avoid climbing trees and disturbing roots, seedlings or visiting wildlife.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

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Nature Field Guide

Cenizaro Rain Tree

Spanish name
Cenízaro
Scientific name
Samanea saman
Trees Forest Edge · Open Woodland · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “An umbrella-shaped crown shelters a world beneath its branches.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Cenizaro Rain Tree

  • Broad umbrella-shaped crown

  • Twice-divided compound leaves

  • Pink-and-white brushlike flowers and dark pods

Habitat & range

Pacific lowlands and open landscapes, also documented in the Northern Plains and around San Ramón.

Conservation & care

Explore with an adult on permitted paths. Observe and photograph without picking leaves, flowers or fruits. Do not taste plants or let pets chew them. Avoid climbing trees and disturbing roots, seedlings or visiting wildlife.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

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Nature Field Guide

Central American Agouti

Spanish name
Guatusa / Guatuza
Scientific name
Dasyprocta punctata
Mammals Tropical Dry Forest · Tropical Rainforest · Woodland Edges

What Do Pico & Tati Think?

Pico: “It is carrying something from the forest floor!”

Tati: “A stored seed might become a tree.”

Identification

Key Features of the Central American Agouti

  • Rounded back, long legs and almost invisible tail.

  • Warm orange-brown to dark brown fur.

  • Often handles food with the forepaws.

Habitat & range

Sierra Zapote’s forest floor in Las Juntas district, Abangares; dry and humid forests can both provide habitat.

Conservation & care

Keep a respectful distance and leave an open route for the animal. Stay on authorized paths, secure food and rubbish, and observe without feeding, touching, baiting or chasing.

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Nature Field Guide

Central American Banded Gecko

Spanish name
Geco bandeado centroamericano
Scientific name
Coleonyx mitratus
Reptiles Forest Edge · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “What can we learn from this reptile’s shape?”

Tati: “Let’s notice its markings and habitat while leaving it plenty of space.”

Identification

Key Features of the Central American Banded Gecko

  • Dark bands on yellow-tan tones

  • Movable eyelids

  • Clawed toes without broad wall-climbing pads

Habitat & range

Northwestern and western Pacific-slope forests, including Guanacaste and San Luis de Monteverde.

Conservation & care

Observe from permitted paths with an adult. Do not touch, chase, catch or feed reptiles. Leave bark, stones, logs and leaf litter in place. Keep pets away and give animals an open escape route.

Threats & pressures

Protect natural shelters and connected habitat. Avoid collection, unnecessary clearing and deliberate killing. Leave wildlife in its habitat and support responsible observation.

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Nature Field Guide

Central American Boa

Spanish name
Boa o béquer
Scientific name
Boa imperator
Reptiles Farms & Cultivated Land · Rivers & Streams

What Do Pico & Tati Think?

Pico and Tati invite you to learn about the central american boa. Using a photograph, draw three saddle-shaped markings and explain how patterns can blend with a background.

Identification

Key Features of the Central American Boa

  • Heavy body with large brown saddle-like markings.

  • Broad head and a tapering tail.

  • Color and pattern vary between individuals.

Habitat & range

Forests, forest edges and other suitable habitats across Costa Rica.

Conservation & care

Never approach, touch, catch or try to move any snake, even if it appears harmless or dead. Keep children and pets away, step back calmly and tell an adult or guide. Do not use colors, head shape or this card to judge safety.

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Nature Field Guide

Central American Coral Snake

Spanish name
Coral macho
Scientific name
Micrurus nigrocinctus
Reptiles Farms & Cultivated Land · Gardens · Open Woodland

What Do Pico & Tati Think?

Pico and Tati invite you to learn about the central american coral snake. Create a ring-pattern drawing from a verified photograph. Write the rule: observe snakes from a distance and tell an adult.

Identification

Key Features of the Central American Coral Snake

  • Red, pale and black rings encircling the body.

  • Relatively small head with little separation from the neck.

  • A slender-to-moderately robust cylindrical body.

Habitat & range

Pacific-slope lowlands and premontane areas, including parts of the Central Valley.

Conservation & care

Never approach, touch, catch or try to move any snake, even if it appears harmless or dead. Keep children and pets away, step back calmly and tell an adult or guide. Do not use colors, head shape or this card to judge safety.

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Nature Field Guide

Central American Eyelash Pitviper

Spanish name
Bocaracá / Oropel / Toboba de pestañas
Scientific name
Bothriechis nigroadspersus
Reptiles Forest Edge · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “What clues help us recognize this reptile?”

Tati: “Let’s notice its shape, markings and habitat from a respectful distance.”

Identification

Key Features of the Central American Eyelash Pitviper

  • Raised eyelash-like scales above the eyes

  • Compact body resting on branches

  • Highly variable colors, including yellow

Habitat & range

Humid lowland and foothill forests on the Caribbean slope and in the Central and South Pacific.

Conservation & care

VENOMOUS. Observe only at a distance with a qualified guide. Never approach, touch, catch or provoke this snake. Keep children and pets well away and do not reach into nearby vegetation or hiding places.

Threats & pressures

Protect habitat connections and natural shelters. Avoid road mortality, collection and deliberate killing. Leave reptiles in their habitat rather than keeping or relocating them.

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Nature Field Guide

Central American Indigo Snake

Spanish name
Sabanera / Mica
Scientific name
Drymarchon melanurus
Reptiles Forest Edge · Open Woodland · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “What clues help us recognize this reptile?”

Tati: “Let’s notice its shape, markings and habitat from a respectful distance.”

Identification

Key Features of the Central American Indigo Snake

  • Large robust body

  • Smooth-looking scales

  • Color can become darker toward the tail

Habitat & range

Lowland woodland and open habitats, including Guanacaste and the Pacific slope.

Conservation & care

Observe only from a distance with an adult or qualified guide. Do not touch, catch, corner or attempt to move any snake. Step back and tell your adult; keep children and pets away. Do not use colors, head shape or pupil shape to decide a snake is safe.

Threats & pressures

Protect habitat connections and natural shelters. Avoid road mortality, collection and deliberate killing. Leave reptiles in their habitat rather than keeping or relocating them.

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Nature Field Guide

Central American Rattlesnake

Spanish name
Cascabel / Crótalo
Scientific name
Crotalus simus
Reptiles Open Woodland · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “What clues help us recognize this reptile?”

Tati: “Let’s notice its shape, markings and habitat from a respectful distance.”

Identification

Key Features of the Central American Rattlesnake

  • Dark diamondlike back markings

  • Strongly keeled scales

  • Segmented rattle at the tail tip

Habitat & range

Dry lowlands of Guanacaste and northern Puntarenas, especially forest edges and less disturbed ground.

Conservation & care

VENOMOUS. Observe only at a distance with a qualified guide. Never approach, touch, catch or provoke this snake. Keep children and pets well away and do not reach into nearby vegetation or hiding places.

Threats & pressures

Protect habitat connections and natural shelters. Avoid road mortality, collection and deliberate killing. Leave reptiles in their habitat rather than keeping or relocating them.

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Nature Field Guide

Chameleon Wrasse

Spanish name
Señorita camaleón
Scientific name
Halichoeres dispilus
Marine Fish · Marine Life Marine Reef

What Do Pico & Tati Think?

Pico: “This wrasse has so many colors!”

Tati: “Start with the shoulder blotch, then check its other markings.”

Identification

Key Features of the Chameleon Wrasse

  • Slender wrasse body

  • Dark shoulder blotch

  • Blue markings in colorful adults

Habitat & range

Pacific rocky reefs and nearby coastal marine habitats. Check the linked species reference for its wider range.

Conservation & care

Observe with a qualified guide. Do not feed, chase or handle fish. Keep fins off the reef and take all litter home.

Threats & pressures

Habitat damage and degraded water quality are pressures to prevent in coastal fish habitats. This profile does not quantify a local decline.

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Nature Field Guide

Cicadas

Spanish name
Chicharras
Scientific name
Cicadidae — family card
Other Insects Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the cicadas!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Cicadas

  • Large transparent wings

  • broad head

  • loud calls from some males

Habitat & range

Suitable forest, garden or open habitats; distribution varies with habitat and species.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Clay-colored Thrush

Spanish name
Mirlo pardo / Yigüirro
Scientific name
Turdus grayi
Birds Farms & Cultivated Land · Forest Edge · Gardens · Open Woodland

What Do Pico & Tati Think?

Pico: “That brown bird has a beautiful song!”

Tati: “That is the yigüirro. We can learn its voice as well as its colors.”

Identification

Key Features of the Clay-colored Thrush

  • Warm brown plumage

  • Yellowish bill

  • Fine throat streaks and orange-brown eye

Habitat & range

Widespread across Costa Rica from lowlands to about 2450 m, in gardens, farms, secondary growth and wooded urban areas. Less numerous in the dry northwest and higher mountains.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Cloudless Sulphur Butterfly

Spanish name
Mariposa azufre
Scientific name
Phoebis marcellina
Butterflies & Moths Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the cloudless sulphur butterfly!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Cloudless Sulphur Butterfly

  • Bright yellow wings

  • lightly marked underside

  • fast flight

Habitat & range

Forest paths, edges and nearby vegetation in Guanacaste. Local habitat and abundance vary.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Cocos Booby

Spanish name
Piquero de Cocos
Scientific name
Sula brewsteri
Birds · Coastal Birds · Seabirds Ocean · Rocky Shore

What Do Pico & Tati Think?

Pico meets a familiar-looking seabird with a newer name. Tati keeps the scientific name beside the illustration.

Identification

Key Features of the Cocos Booby

  • Brown adult upperparts and white belly

  • Strong pointed pale bill

  • Short legs and broad webbed feet

  • Identification may require close expert comparison

Habitat & range

Scan Pacific coastal waters and offshore rocks from a safe viewpoint or responsible boat trip. Do not approach seabird colonies or land on nesting islands.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Coffee

Spanish name
Café
Scientific name
Coffea arabica
Agriculture & Crops Farms & Cultivated Land

What Do Pico & Tati Think?

Pico: “The coffee bean starts inside a fruit!”

Tati: “Let's find the cherry before we think about the bean.”

Identification

Key Features of the Coffee

  • Glossy leaves arranged in pairs

  • Small fruits clustered along branches

  • Ripe cherries are often red, though some varieties ripen yellow

  • Small white flowers when flowering

Habitat & range

Cultivated farms in several Costa Rican coffee zones, including the Central and Western Valleys, Los Santos, Turrialba, Orosi, Tres Rios, Guanacaste and Brunca. ICAFE also documents production in San Carlos and Sarapiqui, mapped here to Northern Plains. Coffee requires suitable elevation and local growing conditions; a regional tag does not mean all climates within that region are suitable.

Conservation & care

Visit farms only with permission and follow the host's instructions. Stay clear of machinery, chemical applications and working areas. Do not pick or taste plants without a responsible adult and the host's approval.

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Nature Field Guide

Collared Aracari

Spanish name
Tucancillo collarejo
Scientific name
Pteroglossus torquatus
Birds Forest Edge · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Is that a little toucan?”

Tati: “An aracari belongs to the toucan family. Its shape and bill give us clues.”

Identification

Key Features of the Collared Aracari

  • Dark head and throat

  • Yellow chest with red and black marks

  • Patterned pale upper bill

Habitat & range

Commoner in Caribbean lowlands and foothills; also occurs locally in the northern Pacific, including Nicoya woodland and lower Guanacaste slopes. Central Valley records are exceptional rather than a core range.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Collared Peccary

Spanish name
Saíno
Scientific name
Dicotyles tajacu
Mammals Tropical Dry Forest · Tropical Rainforest · Woodland Edges

What Do Pico & Tati Think?

Pico: “I can see a pale band near its shoulders!”

Tati: “Let’s step back and leave space for the group.”

Identification

Key Features of the Collared Peccary

  • Pale collar around neck and shoulders.

  • Dark bristly coat and compact hoofed body.

  • Very short tail.

Habitat & range

Reserva Sierra Zapote in Las Juntas district and other dry or humid forest landscapes.

Seasonal Calendar

Breeding possible

Costa Rica; broad natural-history account

Year-round

Reproduction is not confined to a fixed season; local peaks vary with habitat and resources.

Event source ↗

Conservation & care

Keep a respectful distance and leave an open route for the animal. Stay on authorized paths, secure food and rubbish, and observe without feeding, touching, baiting or chasing.

Threats & pressures

Forest loss and fragmentation, hunting and conflict over crops are documented pressures.

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Nature Field Guide

Common Basilisk

Spanish name
Basilisco común
Scientific name
Basiliscus basiliscus
Reptiles Rivers & Streams · Tropical Dry Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico and Tati invite you to learn about the common basilisk. Draw the tail and hind feet from a reference photograph. Never frighten a basilisk to make it run.

Identification

Key Features of the Common Basilisk

  • Very long tail.

  • Brown or olive body with pale stripes and dark bands.

  • Adult males have prominent crests on the head, back and tail.

Habitat & range

Pacific lowland dry and moist forests near streams and rivers.

Conservation & care

Watch wildlife with an adult from a safe path. Do not touch, feed, capture or move reptiles, and keep pets away. Leave eggs, shelters and vegetation undisturbed.

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Nature Field Guide

Common Beans

Spanish name
Frijoles
Scientific name
Phaseolus vulgaris
Agriculture & Crops Farms & Cultivated Land

What Do Pico & Tati Think?

Pico: “The beans are inside a pod!”

Tati: “Let's count the seeds in a sample the farmer shares.”

Identification

Key Features of the Common Beans

  • Leaves made of three leaflets

  • Small flowers with a butterfly-like shape

  • Elongated pods containing seeds

  • Seed color and growth habit vary by variety

Habitat & range

Cultivated farms in the Northern Plains and South Pacific, with documented producer support in Santa Cecilia, La Cruz, Guanacaste. Household gardens and farms elsewhere may also grow beans; these tags are selected cultivation examples rather than a complete crop census.

Conservation & care

Do not eat raw or undercooked dry beans. Let an adult prepare food samples properly. Keep small seeds away from young children who may put them in their mouths.

Visit farms only with permission and follow the host's instructions. Stay clear of machinery, chemical applications and working areas. Do not pick or taste plants without a responsible adult and the host's approval.

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Nature Field Guide

Common Bottlenose Dolphin

Spanish name
Delfín nariz de botella
Scientific name
Tursiops truncatus
Mammals Ocean

What Do Pico & Tati Think?

The common bottlenose dolphin has a short thick beak and a generally gray body.

Identification

Key Features of the Common Bottlenose Dolphin

  • Short thick beak and robust gray body.

  • Curved dorsal fin and paler underside.

  • Horizontal tail flukes; other dolphin species require careful comparison.

Habitat & range

Suitable Costa Rican coastal and offshore waters.

Conservation & care

Use a responsible local wildlife operator and follow site rules. Give aquatic mammals room to feed, rest and travel. Do not feed, touch, chase or enter the water to approach them. Keep waste and fishing line out of waterways.

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Nature Field Guide

Common House Gecko

Spanish name
Geco casero común
Scientific name
Hemidactylus frenatus
Reptiles Forest Edge · Gardens

What Do Pico & Tati Think?

Pico: “What helps this reptile fit into its habitat?”

Tati: “Let’s look at its shape, colors and surroundings while giving it plenty of space.”

Identification

Key Features of the Common House Gecko

  • Pale gray-to-beige coloration

  • Broad spreading toe pads

  • Often on walls near night lighting

Habitat & range

Buildings, gardens and disturbed habitats across much of Costa Rica, especially warm lowlands and settled areas. Documented at Tirimbina and San Luis de Monteverde.

Conservation & care

Observe with an adult from permitted paths. Do not touch, chase, catch or feed reptiles. Leave bark, logs, stones and leaf litter in place. Keep pets away and allow an open escape route.

Threats & pressures

Prevent accidental transport of introduced geckos and their eggs in belongings or plant materials. Protect native reptile habitats and avoid moving animals between places.

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Nature Field Guide

Common Monkey Lizard

Spanish name
Lagartija de dosel
Scientific name
Polychrus gutturosus
Reptiles Forest Edge · Rivers & Streams · Tropical Rainforest

What Do Pico & Tati Think?

Pico and Tati invite you to learn about the common monkey lizard. Look at a reference photograph and mark the outline of the tail. Compare its proportions with a basilisk.

Identification

Key Features of the Common Monkey Lizard

  • Laterally flattened body.

  • Long limbs, toes and whip-like tail.

  • Greenish coloration and an expandable throat region.

Habitat & range

Primarily humid forest canopy. A documented Hojancha record extends coverage into Guanacaste, where persistent streamside vegetation provides a moist refuge within the dry landscape. Also documented at Reserva Los Campesinos in San Jose province. Regional occurrence depends on suitable wooded microhabitat.

Conservation & care

Watch wildlife with an adult from a safe path. Do not touch, feed, capture or move reptiles, and keep pets away. Leave eggs, shelters and vegetation undisturbed.

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Nature Field Guide

Common Opossum

Spanish name
Zorro pelón común
Scientific name
Didelphis marsupialis
Mammals Tropical Dry Forest · Tropical Rainforest · Woodland Edges

What Do Pico & Tati Think?

The common opossum is a marsupial: its young complete an important part of their development attached to their mother's teats, protected in her pouch.

Identification

Key Features of the Common Opossum

  • Coarse gray to dark fur and a pale pointed face.

  • Dark, largely hairless ears and a pink nose.

  • Long mostly bare tail; other opossums can look similar.

Habitat & range

Forests, wooded edges and some human-modified landscapes.

Conservation & care

Explore with an adult or local guide. Observe quietly from a distance, stay on established trails and leave shelter undisturbed. Do not feed, touch, capture or corner wildlife. Keep pets away.

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Nature Field Guide

Common Squirrel-Cuckoo

Spanish name
Cuco ardilla
Scientific name
Piaya cayana
Birds Forest Edge · Gardens · Open Woodland · Tropical Dry Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “That tail is longer than I expected!”

Tati: “Follow its movement through the branches without chasing it.”

Identification

Key Features of the Common Squirrel-Cuckoo

  • Rusty upperparts

  • Very long graduated white-tipped tail

  • Greenish-yellow bill

Habitat & range

Widespread in wooded habitats on both slopes, including forest canopy, secondary growth, plantations and tree-rich gardens. It can occur well above the lowlands where trees remain.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Copper Anole

Spanish name
Anolis cobrizo
Scientific name
Anolis cupreus
Reptiles Forest Edge · Gardens · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “What can we learn from this reptile’s shape?”

Tati: “Let’s notice its markings and habitat while leaving it plenty of space.”

Identification

Key Features of the Copper Anole

  • Tan-to-coppery brown body

  • Variable spots, bars or darker markings

  • Long tail and low-perching posture

Habitat & range

Northwestern and western Pacific slope, including Guanacaste, Monteverde and Quepos, with populations in the Central Valley.

Conservation & care

Observe from permitted paths with an adult. Do not touch, chase, catch or feed reptiles. Leave bark, stones, logs and leaf litter in place. Keep pets away and give animals an open escape route.

Threats & pressures

Protect natural shelters and connected habitat. Avoid collection, unnecessary clearing and deliberate killing. Leave wildlife in its habitat and support responsible observation.

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Nature Field Guide

Coppery-headed Emerald

Spanish name
Esmeralda de coronilla cobriza
Scientific name
Microchera cupreiceps
Birds Cloud Forest · Forest Edge · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Does this tiny bird live only in Costa Rica?”

Tati: “Yes. Endemic means its natural range is limited to one place.”

Identification

Key Features of the Coppery-headed Emerald

  • Male coppery crown

  • White outer tail feathers

  • Small size and slightly curved bill

Habitat & range

Costa Rican endemic of humid northern and central mountain slopes, from the Guanacaste range toward the northern Reventazon valley. Seasonal descent occurs; dry coastal Guanacaste is unsuitable.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Corn

Spanish name
Maíz
Scientific name
Zea mays
Agriculture & Crops Farms & Cultivated Land

What Do Pico & Tati Think?

Pico: “I can see tassels above the leaves!”

Tati: “And the ears grow lower down along the stem.”

Identification

Key Features of the Corn

  • Tall grass with broad leaves along the stem

  • Tassels at the top

  • Ears wrapped in husks along the stem

  • Silks emerging from developing ears

Habitat & range

Cultivated fields and family farms, including Guanacaste, Northern Plains and South Pacific.

Conservation & care

Visit farms only with permission and follow the host's instructions. Stay clear of machinery, chemical applications and working areas. Do not pick or taste plants without a responsible adult and the host's approval.

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Nature Field Guide

Cortez Amarillo

Spanish name
Cortés amarillo / Cortez amarillo
Scientific name
Handroanthus ochraceus
Trees Forest Edge · Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “Golden trumpet flowers can brighten the branches of an almost leafless tree.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Cortez Amarillo

  • Yellow trumpet-shaped flowers

  • Palmately compound leaves

  • Flowering branches may be nearly leafless

Habitat & range

Seasonally dry Pacific forests and wooded edges, including Guanacaste, the Central Pacific and the Térraba valley.

Conservation & care

Explore with an adult on permitted paths. Observe and photograph without picking leaves, flowers or fruits. Do not taste plants or let pets chew them. Avoid climbing trees and disturbing roots, seedlings or visiting wildlife.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

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Nature Field Guide

Cortez Angelfish

Spanish name
Ángel de Cortés
Scientific name
Pomacanthus zonipectus
Marine Fish · Marine Life Marine Reef

What Do Pico & Tati Think?

Pico: “The young angelfish looks completely different!”

Tati: “The tall body and small mouth are clues in both life stages.”

Identification

Key Features of the Cortez Angelfish

  • Tall flattened body

  • Yellow bands and tail in adults

  • Curved yellow and blue juvenile bars

Habitat & range

Pacific rocky reefs and nearby coastal marine habitats. Check the linked species reference for its wider range.

Conservation & care

Observe with a qualified guide. Do not feed, chase or handle fish. Keep fins off the reef and take all litter home.

Threats & pressures

Habitat damage and degraded water quality are pressures to prevent in coastal fish habitats. This profile does not quantify a local decline.

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Nature Field Guide

Cortez Rainbow Wrasse

Spanish name
Viejita arco iris
Scientific name
Thalassoma lucasanum
Marine Fish · Marine Life Marine Reef

What Do Pico & Tati Think?

Pico: “How can these two wrasses look so different?”

Tati: “Their colors can change with life phase. Let’s compare more than one picture.”

Identification

Key Features of the Cortez Rainbow Wrasse

  • Slender wrasse shape

  • Striped initial phase

  • Blue head and yellow shoulder bar in terminal phase

Habitat & range

Pacific rocky reefs and nearby coastal marine habitats. Check the linked species reference for its wider range.

Conservation & care

Observe with a qualified guide. Do not feed, chase or handle fish. Keep fins off the reef and take all litter home.

Threats & pressures

Habitat damage and degraded water quality are pressures to prevent in coastal fish habitats. This profile does not quantify a local decline.

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Nature Field Guide

Coyote

Spanish name
Coyote
Scientific name
Canis latrans
Mammals Farms & Cultivated Land · Open Woodland · Tropical Rainforest · Woodland Edges

What Do Pico & Tati Think?

Pico: “Its ears and bushy tail look different from a fox!”

Tati: “A wild animal should keep finding its own food.”

Identification

Key Features of the Coyote

  • Pointed muzzle and large upright ears.

  • Mixed gray-brown coat with paler underside.

  • Bushy tail usually carried low.

Habitat & range

Sierra Zapote’s forest-edge landscape in Las Juntas, Abangares, and other Guanacaste lowlands.

Conservation & care

Keep a respectful distance and leave an open route for the animal. Stay on authorized paths, secure food and rubbish, and observe without feeding, touching, baiting or chasing.

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Nature Field Guide

Crested Caracara

Spanish name
Caracara cargahuesos
Scientific name
Caracara plancus
Birds Beach · Farms & Cultivated Land · Open Woodland

What Do Pico & Tati Think?

Pico: “That bird of prey is walking!”

Tati: “Caracaras often search on foot. Look at those long legs.”

Identification

Key Features of the Crested Caracara

  • Dark cap and pale neck

  • Orange-red bare face

  • Long legs and hooked bill

Habitat & range

Open northwestern landscapes, pasture, farmland and beaches, with local occurrence around Rio Frio and occasional movement into San Carlos. This conservative set omits occasional Central Valley wanderers.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Crown Sea Urchin

Spanish name
Erizo corona
Scientific name
Astropyga pulvinata
Coastal Life · Marine Life · Sea Urchins Coastal Seafloor · Marine Reef

What Do Pico & Tati Think?

One spiny animal is interesting. A gathering of them raises even more questions. Pico and Tati watch without moving closer.

Identification

Key Features of the Crown Sea Urchin

  • Long slender spines

  • Small bright blue body spots may be visible

  • Observe without approaching the spines

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

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Nature Field Guide

Damselflies

Spanish name
Caballitos del diablo
Scientific name
Odonata: Zygoptera — group card
Other Insects Freshwater

What Do Pico & Tati Think?

Pico: “Let's look closely at the damselflies!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Damselflies

  • Slender body

  • widely separated eyes

  • many fold wings above abdomen

Habitat & range

Vegetation near ponds, wetlands and streams; individual species use different waters.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Decorated Anole

Spanish name
Anolis decorado / Lagartija gigante de bandas
Scientific name
Anolis insignis
Reptiles Cloud Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “What helps this reptile fit into its habitat?”

Tati: “Let’s look at its shape, colors and surroundings while giving it plenty of space.”

Identification

Key Features of the Decorated Anole

  • Large anole with a broad head

  • Green body with pale markings

  • Long tail and tree-perching posture

Habitat & range

Humid foothill and montane forests, including the Guanacaste volcanic range and the central mountains. Documented at San Gerardo Biological Station in Área de Conservación Guanacaste.

Conservation & care

Observe with an adult from permitted paths. Do not touch, chase, catch or feed reptiles. Leave bark, logs, stones and leaf litter in place. Keep pets away and allow an open escape route.

Threats & pressures

Protect connected habitat and natural shelters. Avoid collection, unnecessary clearing and deliberate killing. Leave wildlife in place and support responsible observation.

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Nature Field Guide

Diomedea Leaf Sea Slug

Spanish name
Babosa marina de hoja
Scientific name
Elysia diomedea
Coastal Life · Marine Life · Sea Slugs Marine Reef · Rocky Shore

What Do Pico & Tati Think?

Pico spots a leafy-looking shape. Tati asks how an animal can blend into the algae around it.

Identification

Key Features of the Diomedea Leaf Sea Slug

  • A small soft body with folded sides

  • Greenish coloring with contrasting lines

  • Tentacle-like rhinophores on the head

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

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Nature Field Guide

Dragonflies

Spanish name
Libélulas
Scientific name
Odonata: Anisoptera — group card
Other Insects Freshwater

What Do Pico & Tati Think?

Pico: “Let's look closely at the dragonflies!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Dragonflies

  • Large eyes

  • two pairs of wings

  • wings usually held open at rest

Habitat & range

Vegetation near ponds, wetlands and streams; individual species use different waters.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Dung Beetles

Spanish name
Escarabajos estercoleros
Scientific name
Scarabaeinae — subfamily card
Other Insects Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the dung beetles!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Dung Beetles

  • Compact beetle body

  • digging legs

  • some species roll dung balls

Habitat & range

Suitable forest, garden or open habitats; distribution varies with habitat and species.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Dusky Sea Cucumber

Spanish name
Pepino de mar
Scientific name
Holothuria fuscocinerea
Coastal Life · Marine Life · Sea Cucumbers Coastal Seafloor · Marine Reef

What Do Pico & Tati Think?

It does not need a star-shaped outline to be related to sea stars. Pico and Tati meet a different kind of echinoderm.

Identification

Key Features of the Dusky Sea Cucumber

  • An elongated body resting on the seabed

  • No radiating arms like a sea star

  • Photograph the animal in place for expert comparison

Habitat & range

Suitable underwater coastal habitat. Use a permitted guided snorkeling or viewing activity appropriate to your family; do not enter the sea just to find this animal.

Conservation & care

Watch without touching, lifting, feeding or collecting. Keep fingers and equipment away from spines and other surface structures. Leave the animal submerged and its habitat undisturbed.

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Nature Field Guide

Eastern Pacific Giant Conch

Spanish name
Cambute del Pacífico
Scientific name
Titanostrombus galeatus
Sea Snails & Limpets · Seashells Coastal Seafloor

What Do Pico & Tati Think?

A large conch connects marine nature with Costa Rica’s cultural history.

Identification

Key Features of the Eastern Pacific Giant Conch

  • Large, thick shell.

  • Adult shells have an expanded outer lip and a short spire.

  • Look for older scientific names when comparing historical references.

Habitat & range

Pacific coastal marine habitat; local encounters require confirmation.

Conservation & care

Observe and photograph shells where they are. Leave living animals, occupied shells and empty shells in place. Do not pry animals from rocks, dig in mangroves or put fingers into shell openings. Explore with an adult or guide, follow site rules and stay clear of surf and slippery rocks.

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Nature Field Guide

Elephant Beetle

Spanish name
Escarabajo elefante
Scientific name
Megasoma elephas
Other Insects Forest Edge · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Let's look closely at the elephant beetle!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Elephant Beetle

  • Large rounded beetle

  • fine golden body hairs

  • males have a forward horn

Habitat & range

Most often associated with lowland wooded habitats; larvae develop in decaying wood and damp plant material. A documented Tortuguero record supports Caribbean rainforest habitat. A Costa Rican specialist account places most records below 500 m, with some to 1,500 m. Existing broad region tags require further locality checks and should not be read as presence throughout the highlands.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Expanded Lobster Claw

Spanish name
Platanilla / Caliguate
Scientific name
Heliconia latispatha
Other Plants Forest Edge · Gardens · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “An upright open arrangement of colorful bracts rises among broad green leaves.”

Tati: “Let’s notice the leaves, flowers and habitat without disturbing the plant.”

Identification

Key Features of the Expanded Lobster Claw

  • Broad banana-like leaves

  • Upright open inflorescence

  • Separated orange-to-red bracts holding small flowers

Habitat & range

Both slopes, including Guanacaste, the Northern Plains, Caribbean, Central Pacific and Osa; also cultivated in gardens.

Conservation & care

Explore with an adult on permitted paths. Observe and photograph without picking leaves, flowers or fruits. Do not taste plants or let pets chew them. Avoid climbing trees and disturbing roots, seedlings or visiting wildlife.

Threats & pressures

Protect suitable habitat, mature trees and natural regeneration. Avoid trampling, unauthorized clearing and collection.

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Nature Field Guide

Firebush

Spanish name
Coralillo
Scientific name
Hamelia patens
Other Plants Tropical Moist Forest

What Do Pico & Tati Think?

Pico wants to sketch the plant’s shapes. Tati suggests looking for three clues before guessing its name. What would you notice first?

Identification

Key Features of the Firebush

  • Narrow orange-red tubular flowers

  • Simple leaves often arranged in whorls

  • Small rounded fruits that darken with age

Habitat & range

Clearings, roadsides, forest edges and gardens.

Conservation & care

Observe from paths and leave leaves, bark, flowers and fruits attached. Do not taste wild plants or offer them to pets. Ask a knowledgeable guide to confirm the species.

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Nature Field Guide

Fireflies

Spanish name
Luciérnagas
Scientific name
Lampyridae — family card
Other Insects Forest Edge

What Do Pico & Tati Think?

Pico: “Let's look closely at the fireflies!”

Tati: “We can compare its shape and markings without touching it.”

Identification

Key Features of the Fireflies

  • Soft beetle wing covers

  • some show glowing abdominal segments

  • light patterns vary

Habitat & range

Suitable forest, garden or open habitats; distribution varies with habitat and species.

Conservation & care

Observe without collecting, handling or disturbing insects or nests. Stay on permitted paths. Leave caterpillars and their food plants in place.

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Nature Field Guide

Four-lined Ameiva

Spanish name
Ameiva de cuatro líneas
Scientific name
Holcosus quadrilineatus
Reptiles Beach · Forest Edge · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “What clues help us recognize this reptile?”

Tati: “Let’s notice its shape, markings and habitat from a respectful distance.”

Identification

Key Features of the Four-lined Ameiva

  • Four pale longitudinal body stripes

  • Long slender tail

  • Small contrasting flank markings

Habitat & range

Humid Caribbean lowlands and suitable Pacific lowlands and edges; a field study documents Cocles, Limón.

Conservation & care

Observe with an adult from permitted paths. Do not catch, chase, touch or feed reptiles. Leave bark, logs, rocks and leaf litter in place. Keep pets away and allow animals an open escape route.

Threats & pressures

Protect habitat connections and natural shelters. Avoid road mortality, collection and deliberate killing. Leave reptiles in their habitat rather than keeping or relocating them.

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Nature Field Guide

Frangipani

Spanish name
Flor blanca / Sacuanjoche
Scientific name
Plumeria rubra
Trees Tropical Dry Forest

What Do Pico & Tati Think?

Pico wants to sketch the tree’s silhouette. Tati suggests looking for three clues before guessing its name. What would you notice first?

Identification

Key Features of the Frangipani

  • Thick succulent-looking branches

  • Five-lobed flowers with yellow centers

  • Long simple leaves clustered near branch ends

Habitat & range

Sunny woodland edges, rocky coastal sites and gardens.

Conservation & care

Observe from paths and leave leaves, bark, flowers and fruits attached. Do not taste wild plants or offer them to pets. Ask a knowledgeable guide to confirm the species. Avoid contact with milky latex.

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Nature Field Guide

Freckled Porcupinefish

Spanish name
Pez erizo
Scientific name
Diodon holocanthus
Marine Fish · Marine Life Marine Reef

What Do Pico & Tati Think?

Pico: “Are those little spines?”

Tati: “Yes. We can study them in a photograph without disturbing the fish.”

Identification

Key Features of the Freckled Porcupinefish

  • Long movable body spines

  • Dark blotches and eye band

  • Pale unspotted fins

Habitat & range

Pacific rocky reefs and nearby coastal marine habitats. Check the linked species reference for its wider range.

Conservation & care

Never touch, collect, eat or deliberately inflate puffers or porcupinefish. Observe with a qualified guide. Do not feed, chase or handle fish. Keep fins off the reef and take all litter home.

Threats & pressures

Habitat damage and degraded water quality are pressures to prevent in coastal fish habitats. This profile does not quantify a local decline.

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Nature Field Guide

Fulvous Whistling-Duck

Spanish name
Pijije canelo
Scientific name
Dendrocygna bicolor
Birds Farms & Cultivated Land · Freshwater · Wetlands

What Do Pico & Tati Think?

Pico: “That duck has such a long neck!”

Tati: “Let’s compare its colors with the other ducks.”

Identification

Key Features of the Fulvous Whistling-Duck

  • Warm caramel-brown neck and underparts.

  • Dark bill, long neck and long legs.

  • Pale flank markings on a darker body.

Habitat & range

Documented in the Tempisque and Palo Verde wetland landscape. Freshwater marshes, shallow flooded areas and rice-growing wetlands are relevant habitats.

Conservation & care

Stay on authorized trails or viewing routes. Give birds space, keep voices low and leave nests undisturbed. Observe without bait, feeding or recorded calls.

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Nature Field Guide

Funiculate Nerite

Spanish name
Nerita
Scientific name
Nerita funiculata
Sea Snails & Limpets · Seashells Rocky Shore

What Do Pico & Tati Think?

A small, rounded nerite invites a close look at its shell pattern.

Identification

Key Features of the Funiculate Nerite

  • Small rounded shell.

  • Very low spire and a broad, D-shaped opening.

  • Fine ridges and dark-and-pale patterns may be visible.

Habitat & range

Rocky intertidal shore.

Conservation & care

Observe and photograph shells where they are. Leave living animals, occupied shells and empty shells in place. Do not pry animals from rocks, dig in mangroves or put fingers into shell openings. Explore with an adult or guide, follow site rules and stay clear of surf and slippery rocks.

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Nature Field Guide

Geoffroy’s Spider Monkey

Spanish name
Mono araña / Mono colorado
Scientific name
Ateles geoffroyi
Mammals Tropical Dry Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Its tail is holding a branch too!”

Tati: “The forest needs connected treetops.”

Endangered

Identification

Key Features of the Geoffroy’s Spider Monkey

  • Very long limbs and slender body.

  • Strong grasping tail with a bare gripping surface near its tip.

  • Brown to reddish fur; color varies.

Habitat & range

Manuel Antonio’s forest landscape; ACG also documents this species in rainforest at Botarrama.

Conservation & care

Keep a respectful distance and leave an open route for the animal. Stay on authorized paths, secure food and rubbish, and observe without feeding, touching, baiting or chasing.

Threats & pressures

Forest loss, capture for pets and hunting combine with slow reproduction to make recovery difficult.

Conservation assessment

Global IUCN category as reported by the linked source, checked 7 October 2026. The source does not give an assessment year here. National legal protection and local abundance are separate questions.

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Nature Field Guide

Giant Ark Clam

Spanish name
Chucheca
Scientific name
Larkinia grandis
Clams & Oysters · Seashells Estuary & Mangroves · Sand & Mud Flats

What Do Pico & Tati Think?

A large ark shell has deep spaces between its strong ribs.

Identification

Key Features of the Giant Ark Clam

  • Broad, nearly square outline.

  • Strong ribs separated by deep grooves.

  • Prominent raised area near the hinge.

Habitat & range

Pacific estuarine and mangrove-associated coastal habitat.

Conservation & care

Observe and photograph shells where they are. Leave living animals, occupied shells and empty shells in place. Do not pry animals from rocks, dig in mangroves or put fingers into shell openings. Explore with an adult or guide, follow site rules and stay clear of surf and slippery rocks.

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Nature Field Guide

Giant Damselfish

Spanish name
Damisela gigante
Scientific name
Microspathodon dorsalis
Marine Fish · Marine Life Marine Reef

What Do Pico & Tati Think?

Pico: “This damselfish looks almost black!”

Tati: “Adults and young can look different. Let’s compare their fin edges.”

Identification

Key Features of the Giant Damselfish

  • Deep dark blue-gray body

  • Narrow pale fin edges

  • No pronounced forehead hump

Habitat & range

Pacific rocky reefs and nearby coastal marine habitats. Check the linked species reference for its wider range.

Conservation & care

Observe with a qualified guide. Do not feed, chase or handle fish. Keep fins off the reef and take all litter home.

Threats & pressures

Habitat damage and degraded water quality are pressures to prevent in coastal fish habitats. This profile does not quantify a local decline.

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Nature Field Guide

Gray Fox

Spanish name
Zorro gris
Scientific name
Urocyon cinereoargenteus
Mammals Tropical Dry Forest

What Do Pico & Tati Think?

Pico: “A fox can use trees too?”

Tati: “Different animals use the forest in different ways.”

Identification

Key Features of the Gray Fox

  • Gray back with reddish sides and legs.

  • Triangular upright ears and pointed muzzle.

  • Dark upper surface of the bushy tail.

Habitat & range

Dry-forest and wooded-edge habitat in the Horizontes landscape near Liberia.

Conservation & care

Keep a respectful distance and leave an open route for the animal. Stay on authorized paths, secure food and rubbish, and observe without feeding, touching, baiting or chasing.

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Nature Field Guide

Great Blue Heron

Spanish name
Garzón azulado
Scientific name
Ardea herodias
Birds · Coastal Birds · Herons & Egrets Estuary & Mangroves · Freshwater · Wetlands

What Do Pico & Tati Think?

A tall, patient hunter can make the whole shoreline feel still. Pico counts its slow steps while Tati watches its folded neck.

Identification

Key Features of the Great Blue Heron

  • Large blue-gray body

  • Long legs and a heavy yellowish bill

  • Pale head with a dark stripe above the eye

Habitat & range

Scan shallow water, quiet mangrove channels and vegetated wetland margins from an established viewpoint. Follow a local guide’s directions around estuaries.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Great Curassow

Spanish name
Pavón
Scientific name
Crax rubra
Birds Tropical Dry Forest · Tropical Rainforest

What Do Pico & Tati Think?

Pico: “Those head feathers curl forward!”

Tati: “Let’s stay still while it searches the forest floor.”

Vulnerable

Identification

Key Features of the Great Curassow

  • Curled feathers form a forward-facing crest.

  • Male: black body, white belly and yellow bill swelling.

  • Female plumage varies; no yellow bill swelling.

Habitat & range

Local surviving forest populations include Santa Rosa, Rincon de la Vieja, Braulio Carrillo and Corcovado. Present distribution is patchy; historical lowland range is not a promise of local occurrence.

Seasonal Calendar

Nesting

ACG / Costa Rican lowland forest

Mar, Apr, May

Legacy natural-history account reports egg laying; local dates and other regions can differ.

Event source ↗

Conservation & care

Stay on authorized trails or viewing routes. Give birds space, keep voices low and leave nests undisturbed. Observe without bait, feeding or recorded calls.

Threats & pressures

La Amistad’s management plan identifies hunting and forest pressures on the Pacific boundary. These are habitat-level concerns; no local curassow decline percentage is assigned.

Conservation assessment

ACG describes the species as Vulnerable; this is not a local population estimate. Source checked 7 October 2026. This is a global species category, not a count of birds in the tagged towns.

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Nature Field Guide

Great Egret

Spanish name
Garceta grande
Scientific name
Ardea alba
Birds · Coastal Birds · Herons & Egrets Estuary & Mangroves · Freshwater · Wetlands

What Do Pico & Tati Think?

Pico calls it a bright white shape in the green. Tati checks the bill and feet before giving it a name.

Identification

Key Features of the Great Egret

  • White plumage and long slender neck

  • Yellow bill

  • Black legs and dark feet

Habitat & range

Scan shallow water, quiet mangrove channels and vegetated wetland margins from an established viewpoint. Follow a local guide’s directions around estuaries.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

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Nature Field Guide

Great Kiskadee

Spanish name
Bienteveo grande
Scientific name
Pitangus sulphuratus
Birds Estuary & Mangroves · Gardens · Open Woodland · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

Pico: “It sounds like it is calling its own name!”

Tati: “Let’s also check its bold eyebrow and strong bill.”

Identification

Key Features of the Great Kiskadee

  • Black-and-white head pattern

  • Bright yellow belly

  • Heavy bill and reddish-brown wings

Habitat & range

Open wooded country and settled areas, often near water, on both slopes, mainly below about 1500 m. Less frequent in some southern Pacific areas; not a high-mountain specialist.

Conservation & care

Observe quietly from trails or established viewing areas. Give nests, roosts and feeding birds space. Do not handle, chase or lure birds with playback. Keep pets away from wildlife.

Threats & pressures

Protect native vegetation, reduce collision hazards around glass and keep cats away from birds. These are practical prevention priorities, not a claim of a measured decline at a specific Costa Rican site.

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Nature Field Guide

Great Tinamou

Spanish name
Tinamú grande / Gallina de monte
Scientific name
Tinamus major
Birds Tropical Rainforest

What Do Pico & Tati Think?

Pico: “I can hear a whistle, but the leaves hide the bird!”

Tati: “We can listen without leaving the trail.”

Identification

Key Features of the Great Tinamou

  • Rounded body with almost no visible tail.

  • Gray-brown, dark-barred plumage.

  • A clear whistle from the forest floor.

Habitat & range

Humid lowland and foothill forest on the Caribbean slope and southern Pacific, north toward Carara. Guanacaste refers to humid forest sectors, including documented ACG rainforest, not dry coastal forest.

Conservation & care

Stay on authorized trails or viewing routes. Give birds space, keep voices low and leave nests undisturbed. Observe without bait, feeding or recorded calls.

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Nature Field Guide

Greater Bulldog Bat

Spanish name
Murciélago pescador mayor
Scientific name
Noctilio leporinus
Mammals Estuary & Mangroves · Rivers & Streams

What Do Pico & Tati Think?

The greater bulldog bat is one of the bats that regularly catches fish.

Identification

Key Features of the Greater Bulldog Bat

  • Prominent folded lips and pointed ears.

  • Large clawed hind feet adapted for fishing.

  • Short fur that can be reddish, brown or grayish.

Habitat & range

Rivers, ponds and suitable coastal waters near roosting habitat.

Conservation & care

Observe bats from a distance with an adult or guide. Do not touch, feed or handle any bat, including one found on the ground. Leave roosts undisturbed, avoid direct flash and ask local wildlife professionals for help if an animal appears injured.

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Nature Field Guide

Green Heron

Spanish name
Garcilla verde
Scientific name
Butorides virescens
Birds · Coastal Birds · Herons & Egrets Estuary & Mangroves · Rivers & Streams · Wetlands

What Do Pico & Tati Think?

A small hunched shape almost disappears among the roots. Pico and Tati learn that patient looking beats noisy searching.

Identification

Key Features of the Green Heron

  • Small hunched silhouette

  • Greenish back and chestnut neck

  • Straight pointed bill and yellowish legs

Habitat & range

Scan shallow water, quiet mangrove channels and vegetated wetland margins from an established viewpoint. Follow a local guide’s directions around estuaries.

Conservation & care

Give feeding and resting birds space. If a bird stops feeding, repeatedly looks at you or moves away, increase your distance. Keep dogs away from flocks, avoid playback and feeding, and leave nests and natural shoreline debris undisturbed.

View full profile →

learning adventuresKeep Exploring,
Keep Learning

Choose a Learning Adventure to turn a local outing into shared discovery. These activities offer questions, observation games and ways to care for God’s creation. Pick one that suits your family and the setting.

Family Story Treasure Hunt with Pico & Tati

Story Cards on the Veranda-2

Costa Rica Rhythm Explorers with Pico & Tati

Pico Learns the Costa Rican Marimba-13

Garden to Table Explorers with Pico & Tati

Pico Harvests a Ripe Tomato-16

get in touchLet's Keep Exploring Together.

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