The largest of all North American frogs, bullfrogs can grow to a length of eight inches and can weigh up to 1.5 pounds.

Wood frogs, America’s farthest north amphibians and one of our state’s most unlikely residents, are the only species of frog living north of Southeast Alaska.

3. Like many salamanders that begin their life as eggs and larvae in the water, most North American frogs and toads spend their adult life on land, making them some of the best biological ...

But maybe to really get it, you have to talk to a frog expert. Conservation biologist Brian Gratwicke, who oversees the amphibian conservation programs at the National Zoo, wasn’t familiar with Sounds ...

Today, rain frogs are found in the Caribbean and parts of Central and North America. The oldest known fossil from the genus belongs to the coquí frog, which has been in Caribbean forests for at ...

Frogs and toads in the U.S. have some of the most eclectic diets imaginable. All adults are carnivorous, whereas tadpoles — the larval aquatic stage of development — are generally herbivorous.

The spotted chorus frog, Pseudacris clarkii, lives in grasslands in the American south. Froggy choirs are their loudest after heavy rainfall in the winter and spring.

Frogs and toads in the U.S. have some of the most eclectic diets imaginable. All adults are carnivorous, whereas tadpoles — the larval aquatic stage of development — are generally herbivorous.

3. Like many salamanders that begin their life as eggs and larvae in the water, most North American frogs and toads spend their adult life on land, making them some of the best biological ...