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
Texas Coral Snake 1
Micrurus tener
Small
Copperhead 2
Agkistrodon contortrix
Small
Cottonmouth 3
Agkistrodon piscivorus
Small
Timber Rattlesnake 5
Crotalus horridus
Small
Pygmy Rattlesnake 6
Sistrurus miliarius
Small
Eastern Hognose Snake 7
Heterodon platirhinos
Small
Plain-bellied Watersnake 1
Nerodia erythrogaster
Small
Broad-banded Water Snake 8
Nerodia fasciata confluens
Small
Diamondback Water Snake 9
Nerodia rhombifer
Small
Western Rat Snake 10
Pantherophis obsoletus
Small
Rough Green Snake 5
Opheodrys aestivus
Small
Western Ribbon Snake 5
Thamnophis proximus
Small
Dekay's Brownsnake 11
Storeria dekayi
Small
Rough Earthsnake 12
Haldea striatula
Small
Prairie Kingsnake 6
Lampropeltis calligaster calligaster
Small
Speckled Kingsnake 13
Lampropeltis holbrooki
Small
Western Coachwhip 14
Coluber flagellum testaceus
Small
Yellowbelly Racer 6
Coluber constrictor flaviventris
Small
Graham's Crayfish Snake 6
Regina grahamii
Small
Glossy Swampsnake 15
Liodytes rigida
Small
Western Milksnake 13
Lampropeltis gentilis
Small
Mud Snake 16
Farancia abacura

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