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California Red Legged Frog Research Paper

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California Red Legged Frog Research Paper
Bio 10
11 September 2015
Biodiversity Writing Assignment
California Red- Legged Frog The California red- legged frog (Rana draytonii) was the threatened species and was found in the western United States. More than seventy percent of California red- legged frogs have been eliminated from their former extent. Nowadays, this breed is still popular in the Bay area but isn’t much like before (USFWS 2002). In nature, California red- legged frogs are 1.5 to 5 inches in length. Adult females are much longer than males. Their legs are marked by a reddish color. Their back is brown, gray, olive, or reddish brown, marked with black dots (Stebbins 2003).California red-legged frog mates from November to April. Egg masses, which contain about …show more content…
Pages 94-112 in R. D. Semlitsch, editor. Amphibian Conservation. Smithsonian Institution, Washington D.C.
Draft Recovery Plan for the California Red-legged Frog (rana Aurora Draytonii). Portland, Or.: U.S. Fish and Wildlife Service, 2000. Print.
Fellers, G. M., A. E. Launer, G. Rathbun, S. Bobzien, J. Alvarez, D. Sterner, R. B. Seymour, and M. Westphal. 2001. Overwintering tadpoles in the California red- legged frog (Rana aurora draytonii). Herpetological Review 32:156-157.
Lawler, S. P., D. Dritz, T. Strange, and M. Holyoak. 1999. Effects of introduced mosquitofish and bullfrogs on the threatened California red-legged frog. Conservation Biology 13:613-622.
Reh, W. and A. Seitz. 1990. The influence of land use on the genetic structure of populations of the common frog Rana temporaria. Biological Conservation 54: 239- 249.
.Stebbins, R.C. 2003. A Field Guide to Western Reptiles and Amphibians. Third edition. Houghton Mifflin Co. Boston, Massachusetts.
U.S. Fish and Wildlife Service (USFWS). 2002. Recovery Plan for the California Red- legged Frog (Rana aurora draytonii). U.S. Fish and Wildlife Service,
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