Voices of the night; the calls of 34 frogs and toads of the United States and Canada. [Sound recording] Produced by Peter Paul Kellogg and Arthur A. Allen, Cornell Laboratory of Ornithology ...

Colombia's Arhuaco people banded with local researchers to document the starry night harlequin toad's existence for the first time in 30 years.

"Summer is my favorite season, and the past few weekends have included seeing and hearing various frogs and toads," Darci Webber writes.

A toad thought extinct for 30 years has again seen the light of day, scientists have announced: Meet the starry night harlequin toad. At less than two inches in size, and with a stunning ...

Now, you make that sound at a near-deafening level about 50 feet out your camper door. Do it all night long. And, if you really want to capture the scene, get about a zillion of your friends to ...

Biologists have spotted the "starry night" harlequin toad in Colombia for the first time since 1991 after the species was largely wiped out by a deadly fungal pathogen.

Eighty of the 96 known harlequin toad species are considered endangered, critically endangered or extinct in the wild, according to the International Union for Conservation of Nature's Red List.