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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Glasswing Butterfly in Costa Rica
Greta oto
Brush-footed Butterflies · ~6 cm · midland
CaribbeanCloud Forest
Delicate butterfly with completely transparent wings outlined in brown. The clear panels are not painted — they're literally transparent tissue.
Fun Facts
- ▸Wings are clear because they have no scales and microscopic anti-reflective nanostructures.
- ▸Adults migrate up to 12 km per day between feeding sites.
- ▸Toxic to predators thanks to alkaloids gathered from plants as a caterpillar.
Best Months
Year-round
Featured On
- · Custom Wildlife Tour
