This new discovery adds some clarity to that timeline. At about a half foot (16 centimeters) long, the tadpole is a younger version of an extinct giant frog. “It's starting to help narrow the ...

Asakgre bush frogs are considered “small,” reaching just under an inch in length, the study said. The skin on their backs is “smooth,” but their bellies are slightly bumpy. They have “large” heads ...

The Sierra Nevada Yellow-legged frogs were almost wiped out of Yosemite National Park. But these scientists mounted a ...