Deformities in Pennsylvania wood frogs are linked to the combination of their infection by parasites and a weakening of their immune system caused by exposure to pesticides, according to a study by ...

Colombian researcher María Camila Vallejo-Pareja with a frog from Wyoming seen in the field looking for microvertebrate fossils. Colombian researcher María Camila Vallejo-Pareja is using fossil frogs ...

Miniaturized frogs form a fascinating but poorly understood group of amphibians. They have been exceptionally prone to taxonomic underestimation because when frogs evolve a small body size they start ...

Certain North American frogs, like the wood frog, possess a remarkable ability to survive being frozen solid each winter.

Frogs come in a huge variety of shapes, colors, sizes and personalities. Famed naturalist Sir David Attenborough met a multitude of these webbed wonders while filming the Nature episode Fabulous Frogs ...

Dart frogs, from the rainforests of Central and South America, make their powerful poison by eating toxic bugs. Their bold colors warn predators: “Do not eat me or you will regret it.” Orange, yellow, ...

Since the early 1990s, when school children and amateur naturalists first began finding frogs with deformed legs in U. S. wetlands, scientists have been trying to determine the reason for the ...