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Common Snakes Identification Guide for the Houston Area

Guide to distinguishing venomous from nonvenomous species common to the Houston area. Physical descriptions from Texas Snakes: A Field Guide, James R. Dixon and John E. Werler, University of Texas Press, 2000.

Texas Coral Snake 1
Micrurus tener
Copperhead 2
Agkistrodon contortrix
Cottonmouth 3
Agkistrodon piscivorus
Western Diamondback Rattlesnake 4
Crotalus atrox
Timber Rattlesnake 5
Crotalus horridus
Pygmy Rattlesnake 6
Sistrurus miliarius
Eastern Hognose Snake 7
Heterodon platirhinos
Plain-bellied Watersnake 1
Nerodia erythrogaster
Broad-banded Water Snake 8
Nerodia fasciata confluens
Diamondback Water Snake 9
Nerodia rhombifer
Western Rat Snake 10
Pantherophis obsoletus
Rough Green Snake 5
Opheodrys aestivus
Western Ribbon Snake 5
Thamnophis proximus
Dekay's Brownsnake 11
Storeria dekayi
Rough Earthsnake 12
Haldea striatula
Prairie Kingsnake 6
Lampropeltis calligaster calligaster
Speckled Kingsnake 13
Lampropeltis holbrooki
Western Coachwhip 14
Coluber flagellum testaceus
Yellowbelly Racer 6
Coluber constrictor flaviventris
Graham's Crayfish Snake 6
Regina grahamii
Glossy Swampsnake 15
Liodytes rigida
Western Milksnake 13
Lampropeltis gentilis
Mud Snake 7
Farancia abacura

Edited by Amber Leung, some rights reserved (CC BY-SA)

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