You Can See Right Through This Frog's Belly
You don't need x-ray vision to see inside this frog. The glass frog's organs are visible through their transparent stomachs.
See more of Costa Rica's charismatic wildlife in
Untamed from Nat Geo Wild. Follow filmmaker Filipe DeAndrade and his two best friends as they travel throughout Costa Rica in search of the most diverse, iconic and unexpected animal species the country has to offer.
Their organs are visible through their transparent stomachs, giving them the name glass frogs.
They are nocturnal, arboreal, and can be found in Central and South America,
During the breeding season, they descend from the canopy and live along rivers and streams.
Some males protect their eggs until they are tadpoles.
Habitat loss and deforestation are threatening these frogs in Costa Rica.
