Discovered in the forests of Brazil, Brachycephalus lulai – a new species of pumpkin toadlet frog – is named after the ...

A rare toad changed the fate of a river by becoming the first amphibian to halt a hydroelectric dam. It's now in trouble.

The admirable little red-bellied toad is the size of a thumb, but it has achieved giant feats: In 2014, it prevented the ...

In a small stretch of the Atlantic Forest in southern Brazil lives a bright-orange species of frog that’s new to science, ...