If not for a pair of Smithsonian scientists, the fingernail-size frog from Brazil would have likely gone extinct without ever ...

Almost two-thirds of Australia is privately owned. But most of our scientific understanding of how threatened species are ...

Long before winter seals the forest under ice, certain frogs begin preparing for a transformation that defies basic biology.

Researchers discovered that a poison frog species described decades ago was based on a mix-up involving the wrong museum specimen. The frog tied to the official species name turned out to be brown, ...

Scientists discover two new slender-armed frog species in Arunachal Pradesh. One is named after the late Malayali journalist ...

The “metallic poison frog” Ranitomeya aquamarina (left) and the “heavenly” Ranitomeya aquamarina (right) are the first newly discovered species in their genus in 13 years. That long trek for humans is ...

MCCAMMON: In Peru, a research expedition traveled over mountains and through thick forests, going further than any team of scientists. GERMAN CHAVEZ: It's an area where very few scientific expeditions ...

The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...

A new frog species has been discovered hopping around South America - with nothing to hide. The Guajira Giant Glass Frog lives on an isolated mountain range in Colombia. It's described as a ...

A deadly fungus that has wiped out hundreds of amphibian species worldwide may have started its global journey in Brazil.

Celtic Rewilding wants to bring back the agile frog (Rana dalmatina), the moor frog (R. arvalis), and the European tree frog (Hyla arborea) - which were common in the UK 500 years ago. West Acre has ...