The vast continent of North America is home to over 455 species of mammals and more than 910 birds, 660 reptiles, 300 ...

Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but for the food industry (frog legs) as well. However, massive ...

The slimy, brown creature with a broad, flat head may never win a beauty contest, but it is famous as the largest amphibian in North America. The hellbender breathes dissolved oxygen in the water ...

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 ...

The Wyoming toad is the most endangered amphibian in North America. A lethal combination of insecticides, climate change, disease, and increased predation, has brought the two-inch toad to the brink.

The slimy, brown creature with a broad, flat head may never win a beauty contest, but it is famous as the largest amphibian in North America. The hellbender breathes dissolved oxygen in the water ...

A fluke of nature Research in our lab has focused on trematode parasite infection, which has been implicated as an important cause of malformations in amphibians across North America. Specifically, ...

Few swimmers realize they're taking a dip in the home of one of North America's most endangered species — the Barton Springs salamander. An entirely aquatic amphibian, this salamander is uniquely ...