The animal kingdom is full of fascinating tricks for enduring sub-freezing temperatures. Birds, for example, often just take ...
Wood frogs — Lithobates sylvaticus, also known as Rana sylvatica — live farther north than any other amphibian, even beyond ...
Green tree frogs are some of the most commonly seen tree frogs in the world. Two primary species share the specific name “green tree frog”: the American species and the Australian species. Australian ...