Costa Rica Wildlife Guide
- Alejandro Saravia
- Aug 27, 2025
- 2 min read
Costa Rica wildlife is some of the most diverse on the planet, with the country home to nearly 5% of the world’s biodiversity. From lazy sloths to colorful frogs, spotting animals here is one of the highlights of any trip. Here’s a deeper look at the most iconic species and their unique behaviors:

Sloths
Types: Two-toed and three-toed sloths.
Behavior: Known for their slow movements and spending up to 20 hours a day resting.
Fun Fact: They only climb down from trees once a week to go to the bathroom!
Best Chance to See: Look for them curled up in trees; often mistaken for a nest.
Monkeys
Species in Costa Rica: Howler monkeys, spider monkeys, white-faced capuchins, and squirrel monkeys.
Behavior: Howlers have the loudest call of any land mammal, heard up to 3 miles away. Capuchins are clever and often seen in groups stealing snacks from tourists.
Fun Fact: Spider monkeys use their tails almost like a fifth arm to swing through trees.
Toucans & Colorful Birds
Types: Keel-billed toucan, chestnut-mandibled toucan, and the fiery-billed aracari.
Behavior: They feed mainly on fruit, but sometimes eat insects or lizards.
Fun Fact: Despite their large bills, toucans are surprisingly light thanks to their hollow bone structure.
Other Birds: Don’t miss scarlet macaws and resplendent quetzals for an explosion of color.
Frogs & Amphibians
Famous Species: Red-eyed tree frog (a national symbol), glass frogs (see-through bodies), and poison dart frogs (brightly colored but tiny).
Fun Fact: The red-eyed tree frog uses its big eyes as a defense mechanism—when it suddenly opens them, predators get startled.
Reptiles
Iguanas: Commonly seen sunbathing on rocks.
Crocodiles: The Tarcoles River is famous for giant crocodiles lounging under bridges.
Sea Turtles: Five species nest on Costa Rica’s beaches, including the green turtle and leatherback. Seeing them lay eggs at night is unforgettable.
Big Cats
Species: Jaguars, pumas, ocelots, margays, and jaguarundis.
Reality Check: Jaguars are extremely elusive—most locals never see one in their lifetime.
Fun Fact: Jaguars are strong swimmers, often hunting in rivers.
Marine Life
Whales: Humpback whales migrate twice a year to Costa Rican waters.
Dolphins: Bottlenose and spinner dolphins can be spotted on boat tours.
Tropical Fish: Snorkeling reveals parrotfish, angelfish, and schools of colorful reef species.
Local Tip: For the best wildlife spotting, hire a certified naturalist guide. Costa Rica wildlife often blends into the background, and expert eyes make all the difference.
Want a customized Costa Rica wildlife tour? Your Local Amigos connects you with guides who know exactly where to find the country’s most iconic animals.


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