Costa Rica Wildlife Guide
72 species across birds, mammals, reptiles, amphibians, butterflies, and insects. Filter by category, region, or elevation.
Catalog expanding — Michael adds species after each tour.
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Showing 72 of 72 species
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Eyelash Pit Viper in Costa Rica
Bothriechis schlegelii
Pit Vipers · ~70 cm · all
CaribbeanCloud ForestPacificOsa
Small arboreal pit viper recognized by the raised scales above its eyes. Comes in striking color morphs — yellow, green, mottled, even pink. Ambushes prey from branches.
Fun Facts
- ▸The bright yellow morph (sometimes called 'oropel') is camouflaged against ripe tropical fruit.
- ▸Uses heat-sensing pits between eye and nostril to track warm-blooded prey in total darkness.
- ▸Specializes in hummingbirds and small bats, striking from coiled position in leaves.
Best Months
Year-round
Featured On
- · Custom Wildlife Tour
