Venomous Snakes of Texas - http://www.kingsnake.com/venom/ An on-line reference to all of the venomous snakes found in the state of Texas. In addition, several other non-venomous but interesting Texas snakes are discussed.
Venomdoc - http://www.kingsnake.com/toxinology/ Information and research by Bryan Grieg Fry on venomous snakes and other animals and their toxins.
Florida's Venomous Snakes - http://floridaconservation.org/viewing/species/snakesv.html Photographs and a brief description of six species.
Timber Rattlesnake - http://www.flmnh.ufl.edu/herpetology/FL-GUIDE/Crotalushorridus.htm Photographs and description of Crotalus horridus, with information on its range, habitat, and other snakes with which it might be confused.
Florida Venomous Snakes - http://www.flmnh.ufl.edu/natsci/herpetology/fl-guide/venomsnk.htm A fieldguide to the venomous snakes of Florida.
Venom-Center - http://www.venom-center.com A community page for venomous reptiles with species listings, photograph gallery, forums and a blog.
Agkistrodon piscivorus: The Cottonmouth - http://bioweb.uwlax.edu/bio203/s2007/connor_mich Michael Connor provides information on this snake, its adaptions, habitat, nutrition, interactions, life history, reproduction, classification and phylogeny.
Venomous Snakes - http://www.venomoussnakes.net Find general information about several species including copperhead, coral, cobra, cottonmouth, rattle, and sea snakes. Includes photographs.
Natural Toxins Research Center - Snake Database - http://ntrc.tamuk.edu/cgi-bin/serpentarium/snake.query Natural history, images, and range maps for venomous snakes in the U.S. Includes facts on the venom of each snake.
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