Wild Frogs & Amphibians

California Red-Legged Frogs Breeding In Two SoCal Locations

Populations of the California red-legged frog (Rana draytonii), a threatened species and the official state frog of the Golden State, were bolstered with the introduction, in 2014, of frog tadpoles into the Santa Monica mountains by U.S. National Park Service…

Severe Perkinsea Infection Detected In Panama and UK Tadpoles

Researchers studying an emerging disease that is killing tadpoles in North America have found instances of the disease in tadpoles in Panama and the United Kingdom. The disease, called Severe Perkinsea Infection (SPI) has been killing tadpoles in the United…

The Return of Red-Legged Frogs to Southern California

The effort to return California red-legged frogs (Rana draytonii) to Southern California, which has been ongoing by Robert Fisher from the U.S. Geological Survey’s Amphibian Research and Monitoring Initiative Program for more than 20 years, began to move the needle…