The next time you declare that you are “freezing to death,” spare a thought for the wood frog who gets so cold in winter that ...

The American bullfrog and the leopard frog were once the only options for frog keepers, but now there is a far wider variety ...

Consider, if you will, the American bullfrog. “In the Eastern U.S., where it’s native, its oversized impact is a good thing. In the West, where it’s been introduced, though, the bullfrog ten ...

DESCRIPTION: The largest native frog in the American West, the red-legged frog can be five inches long. In adults, the bellies and undersides of the hind legs are red or salmon pink; backs are ...

The relict leopard frog has the dubious distinction of being one of the first North American amphibians thought to have become extinct. Although the species was known to have inhabited more than 60 ...

And that, says Gray, clearly identified the distinctiveness of the new species, which is in fact more closely related to another unusual South American species than the original Splendid Tree Frog. He ...

A small brown frog squats motionless in a den of green moss. It inhales no breath, has no heartbeat, yet it is not dead. Rock hard and icy to the touch, this speckled North American wood frog is ...