The most transparent of the roughly 160 glass frog species, found from southern Mexico to the northern tip of Argentina, offer living anatomy lessons, revealing intestines, red beating hearts and ...

Two new species of crystal frogs were discovered ... are the Mashpi crystal frog (Hyalinobatrachium mashpi) and the glass frog Hyalinobatrachium nouns; both of which live in similar conditions.

When glass frogs emerge during the rainy season, researchers at the Smithsonian Tropical Research Institute follow their migration out of the forest and along streams. These transparent leaf-lying ...

But when northern glass frogs wake up and hop around in search ... Further research on the species could provide useful clues for the development of anti-blood clotting medications, said Carlos ...

But looks can be misleading, so researchers tested the frogs’ DNA. Based on the results, they realized they’d discovered a “cryptic” new species: Zhangixalus nanshanensis, or the Nanshan ...

The most dangerous thing in these bite-sized forests is not broken glass or chemicals — it’s a tiny, poisonous frog. Epipedobates are species of poisonous frogs found in dry and humid tropical ...

In the gardens and parks of Toyota City, Japan, a small creature turned out to be a new species. Getty Images/iStockphoto To many across the islands of Japan, small tree frogs, or amagaeru ...