Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep ...

The California red-legged frog and northern red-legged frog were once both classified as subspecies — Rana a. draytonii and Rana a. aurora, respectively — of the red-legged frog (Rana aurora). But a ...

Many species of frog are known to be poisonous, such as the often colourful poison dart frogs. But although incredibly rare, there are species that are venomous too. There are currently only two ...