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Posted by Colchicine on March 03, 2003 at 20:47:41:
In Reply to: Re: dusty, plains,mexican, are they all westerns??? posted by Colchicine on March 02, 2003 at 21:51:38:
My masters research at UTEP focused on the taxonomic status of the western hognose snake. I was able to conclude that there should not be three subspecies of H. nasicus, rather there should only be two. This means that the only two subspecies that now exist are H. n. nasicus (the plains hognose) and H. n. kennerlyi (the mexican hognose). The former H. n. gloydi (the dusky hognose) is now considered to be part of H. n. nasicus. This study involved looking at ~1000 specimens from across the geographic range of the snake. If you are interested in the specifics of this study then please email me and I will give you more information.
If you are interested in knowing more about the western hognose snake then the following publications will be very useful. For a complete literature review on the western hognose snake email me and I will send it to you. Also in November of 1999 a publication by Harlan Walley and myself is coming out with a complete review of the research done on Heterodon nasicus.
Collins, J. T. and S. L. Collins. 1991. Peterson Field Guides: Reptiles and Amphibians: eastern and central North America. Houghton Mifflin Co., Boston.
Eckerman, C. M. 1996. Variation, systematics, and interspecific position of Heterodon nasics (Serpentes: Xenodontidae). MS Thesis, Univ. Texas at El Paso.
Edgren, R. A. 1952. Biogeographical and behavioral considerations of the snakes of the genus Heterodon. Unpublished doctoral dissertation, Northwestern University.
Moore, M. E. 1996. The western hognose: Natural history and care of a mouse-eating toad-lover. Reptile Hobbyist, December: 51-55.
Platt, D. R. 1969. Natural history of the hognose snakes Heterodon platyrhinos and Heterodon nasicus. Univ. Kansas Publ. Ms. Nat. Hist. 18:253-420.
Walley, H. D. and C. M. Eckerman. (November) 1999. Heterodon nasicus. Catalogue of American Amphibians and Reptiles.