AmphibiaWeb provides information on amphibian declines, natural history, conservation, and taxonomy.

Species of the Week:
Pseudacris fouquettei | Cajun Chorus Frog

Amphibian News
The Cajun Chorus Frog, Pseudacris fouquettei, the most recently named frog in the United States, hybridizes with the Southern Chorus Frog, Pseudacris nigrita. A hybrid zone exists across the lower Pearl River at the Louisiana-Mississippi border. Since the zone was first characterized in 1980, its center has remained stable. However, it has widened substantially (Engebretsen et al 2016). This indicates that the region is not a tension zone, with strong selection against hybrids, but that hybrids are relatively fit. Hybrids are more common than in the past, and more widespread. The sister taxa appear to be gradually merging. Monitoring the zone should be a research priority for future workers.

Current number of amphibian species: 7,546 (Jul 29, 2016) Newly added species