Relict leopard frog
|Relict Leopard Frog|
Rana onca Cope, 1875
The relict leopard frog (Lithobates onca) is a species of frog in the Ranidae family, endemic to the United States. It is found in Colorado, extreme northwestern Arizona, and adjacent Nevada and southwestern Utah, although its present range seems to be restricted to the Lake Mead National Recreation Area. Its natural habitat is freshwater springs and their outlets. It is threatened by habitat loss to agriculture and water development as well as invasive species.
- Jaeger, J.; Bradford, D. & Hammerson, G. (2004). "Lithobates onca". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 1 February 2015.
- Frost, Darrel R. (2014). "Lithobates onca (Cope, 1875)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 1 February 2015.
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