Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly ...

Researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound more like sound effects ...

Some harlequin frogs have lost their poison—and their ability to defend themselves. Scientists are on the case.

Australian tree frogs today make up over one third of all known frog species on the continent. Among this group, iconic species such as the green tree frog (Litoria caerulea) and the green and golden ...