Atlas Project at Indiana University of Pennsylvania. Among those 16, the American bullfrog and the wood frog are perhaps the most widespread and most common statewide and in the county. The bullfrog ...

Amphibians are cold-blooded animals that can live both in the water and on land. When we think of amphibians, frogs and toads instantly jump to mind. Usually, we think of frogs as being quite small.

Most everyone recognizes frogs. Frogs, like salamanders and newts, are amphibians. Unlike salamanders, they have made a major evolutionary detour from the body plan of their ancient ancestors. The ...

Worldwide there are about 2,700 species of frogs, but only 14 are found in Minnesota. Six are classified as true frogs, five are species of tree frogs and three are types of toads. Bullfrogs are true ...

With a body the color of dead leaves and a black “mask” extending behind the eyes, the wood frog is unmistakable if you can actually find one. Credit: PHOTO BY BILL DANIELSON During a recent lecture ...