Poison dart frogs have fascinated researchers. Now their toxin has allegedly been linked to the death of Russian opposition leader Alexei Navalny.

The inbreeding, declining population of a frog tells the story of the state of South Carolina's wetlands.

Called the green and golden bell frog, these animals were bred in captivity and will be released in groups of 15 having been immunized

You don't have to touch the frogs and toads; just listen for their distinctive croaks and chirps. And Friends of the Rouge will teach you how.

The tragedy of Romeo began long before the frog found fame as the last of his kind. Starting in the 1970s, scientists started noticing something troubling in the amphibian world: the decline and, in some cases, complete disappearances of entire species around the globe.