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4005 thumb 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.

Small
Coral Snake 1
Micrurus tener
Small
Copperhead 2
Agkistrodon contortrix
Small
Cottonmouth 3
Agkistrodon piscivorus
Small
Western Diamondback Rattlesnake 4
Crotalus atrox
Small
Timber Rattlesnake 5
Crotalus horridus
Small
Western Pygmy Rattlesnake 6
Sistrurus miliarius streckeri
Small
Eastern Hognose Snake 7
Heterodon platirhinos
Small
Blotched Water Snake 1
Nerodia erythrogaster transversa
Small
Broad-banded Water Snake 8
Nerodia fasciata confluens
Small
Diamondback Water Snake 9
Nerodia rhombifer
Small
Yellow bellied Water Snake 10
Nerodia erythrogaster flavigaster
Small
Mississippi Green Water Snake 11
Nerodia cyclopion
Small
Texas Rat Snake 12
Pantherophis obsoletus lindheimeri
Small
Prairie King Snake 6
Lampropeltis calligaster calligaster
Small
Speckled King Snake 13
Lampropeltis holbrooki
Small
Western Coachwhip 14
Coluber flagellum testaceus
Small
Yellowbelly Racer 6
Coluber constrictor flaviventris
Small
Rough Green Snake 5
Opheodrys aestivus
Small
Eastern Garter Snake 5
Thamnophis sirtalis sirtalis
Small
Western Ribbon Snake 5
Thamnophis proximus
Small
Gulf Coast Ribbon Snake 15
Thamnophis proximus orarius
Small
Graham's Crayfish Snake 6
Regina grahamii
Small
Gulf Crayfish Snake 16
Regina rigida sinicola
Small
Rough Earthsnake 11
Virginia striatula
Small
Flat-headed Snake 6
Tantilla gracilis
Small
Texas Brown Snake 17
Storeria dekayi texana
Small
Louisiana Milksnake 13
Lampropeltis triangulum amaura
Small
Western Mud Snake 18
Farancia abacura reinwardtii

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

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