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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Splendid Leaf Frog in Costa Rica
Cruziohyla calcarifer
Tree Frogs · ~9 cm · lowland
CaribbeanOsa
One of the largest leaf frogs — bright green back, orange flanks, vivid purple webbing on the feet. A coveted target for tropical herpetology enthusiasts.
Fun Facts
- ▸Eggs are laid in water-filled tree hollows; tadpoles develop in that contained pool.
- ▸Foot webbing acts as a parachute for short, controlled glides between branches.
- ▸Endangered due to habitat loss in lowland forests.
Best Months
May – November
Featured On
- · Custom Osa Peninsula Wildlife