Relict Leopard Frog
The Relict Leopard Frog (Rana onca) is a species of frog in the Ranidae family. It is endemic to the United States.
Its natural habitat is freshwater springs. It is threatened by habitat loss.
References
- Hillis, D.M., Frost, J.S.,& Wright, D.A. (1983): Phylogeny and biogeography of the Rana pipiens complex: A biochemical evaluation. Systematic Zoology' 32: 132-143.
- Hillis, D.M. (1988): Systematics of the Rana pipiens complex: Puzzle and paradigm. Annual Review of Systematics and Ecology 19: 39-63.
- Hillis, D.M. & Wilcox, T.P. (2005): Phylogeny of the New World true frogs (Rana). Mol. Phylogenet. Evol. 34(2): 299–314. doi:10.1016/j.ympev.2004.10.007 PDF fulltext.
- Hillis, D. M. (2007) Constraints in naming parts of the Tree of Life. Mol. Phylogenet. Evol. 42: 331–338.
- Jaeger, J., Bradford, D. & Hammerson, G. 2004. Rana onca. 2006 IUCN Red List of Threatened Species. Downloaded on 23 July 2007.
External links