American bullfrog DNA has turned up not far from the only known habitat of Pithecopus rusticus — a small, critically endangered tree frog that lives in Brazil. These neon green, orange and black frogs ...

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 ...

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.

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 ...

Conservation gets complicated when a native U.S. species is appreciated in one part of the country but despised in another. Consider, if you will, the American bullfrog. “In the Eastern U.S., where it ...

Add Yahoo as a preferred source to see more of our stories on Google. Frog on a tomato. In North America, there are about 101 species of frogs and toads, including tree frogs, leopard frogs, bullfrogs ...

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 ...