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 ...

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

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 ...

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 ...