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

ARVOREZINHA, Rio Grande do Sul, Brazil — The admirable little red-bellied toad is the size of a thumb, but it has achieved giant feats: In 2014, it prevented the construction of a small hydroelectric ...

Meet our story hero: the admirable red-belly toad. A tiny amphibian found nowhere else on Earth but a small forest patch in southern Brazil. Listed as a critically endangered species, it is capable of ...

IN view of the scarcity of data on the age at which Salientia begin to breed, and an apparently entire lack of information for the above species, it may be of interest to record that I have to-day ...

The admirable little red-bellied toad is the size of a thumb, but it has achieved giant feats: In 2014, it prevented the construction of a small hydroelectric dam that threatened to alter its only ...

Known in Brazil as the admirable little red-bellied toad, the rare Melanophryniscus admirabilis is endemic to a stretch of the Forqueta River in Rio Grande do Sul state. It made history in 2014 when ...