Vegas Valley Leopard Frog
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| Lithobates fisheri (Stejneger, 1893) |
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 Former range (in red)
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Rana pipiens fisheri |
The Vegas Valley Leopard frog (Lithobates fisheri[1][2], previously Rana fisheri) is an extinct[3] frog species. Once it occurred in the Las Vegas Valley, as well as Tule Springs, Clark County, southern Nevada, United States of America, at elevations between 370 and 760 m.[4][5][6][7]
A. Vanderhorst collected ten specimens of this species at Tule Springs on 13 January 1942. These frogs were the last recorded specimens of the Vegas Valley leopard frog, and are now in the University of Michigan Museum of Comparative Zoology collection [8][9]. The Vegas Valley leopard frog is now believed to be extinct[7]. Extensive searches have failed to locate this species [3].
[edit] References
- ^ Frost, Darrel R. 2006. Amphibian Species of the World: an Online Reference. Version 4 (17 August 2006). Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/index.php. American Museum of Natural History, New York, USA.
- ^ Frost et al. 2006. The amphibian tree of life. Bulletin of the American Museum of Natural History. Number 297. New York. Issued March 15, 2006.
- ^ a b Jennings, R. & Hammerson, G. (2004). Rana fisheri. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 10 December 2006.
- ^ Linsdale, J. M. 1940. Amphibians and reptiles of Nevada. Proceeding of the American Academy of Arts and Sciences 73(8):197-257.
- ^ Stebbins, R. C. 1951. Amphibians of western North America. University of California Press, Berkeley, California. ix+539 pp.
- ^ Stebbins, R. C. 1985. A field guide to western reptiles and amphibians. Houghton Mifflin Co., Boston, MA.. Mild. Nat. 77:323-355.
- ^ a b Jennings, R.D., Riddle, B.R. and Bradford, D. 1995. Rediscovery of Rana onca, the relict leopard frog, in southern Nevada with comments on the systematic relationships of some leopard frogs (Rana pipiens complex) and the status of populations along the Virgin River. Unpublished report.
- ^ Platz, J. E. 1984. Status report for Rana onca Cope. Unpublished report prepared for Office of Endangered Species, U. S. Fish and Wildlife Service, Albuquerque, New Mexico. iv+27 pp.
- ^ Center for Biological Diversity and Southern Utah Wilderness Alliance. 2002. Petition to list the relict leopard frog (Rana onca) as an endangered species under the Endangered Species Act. (Available online)
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