Germán Chávez is no stranger to the Amazon rain forest, where he says "one can't help but get excited" by all the reptiles and amphibians that he has made a career out of studying. But when he came ...

A newly discovered glass frog species whose beating heart is visible through its chest is already feared to be in danger, because its habitat is threatened by oil exploitation. The frog ...

Few rainforest creatures are more iconic than the brightly colored tree frogs that inhabit the canopy of the Amazon. However, these creatures rely on a fragile environmental balance that is currently ...

A researcher discovered that an obscure species of nocturnal glass frog, Sachatamia orejuela, uses visual signaling as well as acoustical calls to communicate within their environment. Other frog ...