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 ...

This noisy frog is a potent carrier of a deadly amphibian disease, according to research published March 12, 20102 in PLoS ONE. The research was led by biologists at San Francisco State University ...

The Southern Sierra frog population ranges from the South Fork American River watershed ... have determined that foothill yellow-legged frogs in California’s North Coast and Oregon do not currently ...

A juvenile American tree frog (Hyla cinerea) of unknown age was presented to the Exotic Service at the Tufts University School of Veterinary Medicine for an acute onset of swelling of the left ...