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SnakesKeyList

SnakesKeyList

VISUAL KEY TO THE

SNAKES

OF HARRIS COUNTY, TEXAS


LIST OF SPECIES


VENOMOUS SNAKES


GENUS Agkistrodon

Southern Copperhead - Agkistrodon contortrix contortrix

Western Cottonmouth - Agkistrodon piscivorus leucostoma


GENUS Micrurus

Texas Coral Snake - Micrurus tener


GENUS Crotalus

Western Diamondback Rattlesnake - Crotalus atrox

Timber Rattlesnake - Crotalus horridus


GENUS Sistrurus

Western PigmyRattlesnake - Sistrurus miliarius streckeri



NON-VENOMOUS SNAKES


GENUS Tantilla

Flat-headed Snake - Tantilla gracilis


GENUS Storeria

Texas Brown Snake - Storeria dekayi texana

Marsh Brown Snake - Storeria dekayi limnetes


GENUS Virginia

Rough Earth Snake - Virginia striatula


GENUS Diadophis

Mississippi Ringneck Snake - Diadophis punctatus stictogenys


GENUS Sonora

Ground Snake - Sonora semiannulata


GENUS Thamnophis

Eastern Garter Snake - Thamnophis sirtalis sirtalis

Western Ribbon Snake - Thamnophis proximus proximus


GENUS Nerodia

Diamondback Water Snake - Nerodia rhombifer rhombifer

Yellowbelly Water Snake - Nerodia erythrogaster flavigaster

Blotched Water Snake - Nerodia erythrogaster transversa

Broad-banded Water Snake - Nerodia fasciata confluens

Mississippi Green Water Snake - Nerodia cyclopion


GENUS Regina

Graham's Crayfish Snake - Regina grahamii

Gulf Crayfish Snake - Regina rigida sinicola


GENUS Farancia

Western Mud Snake - Farancia abacura reinwardtii


GENUS Opheodrys

Rough Green Snake - Opheodrys aestivus


GENUS Liochlorophis

Western Smooth Green Snake - Liochlorophis vernalis


GENUS Masticophis

Eastern Coachwhip - Masticophis flagellum flagellum

Western Coachwhip - Masticophis flagellum testaceus


GENUS Coluber

Buttermilk Racer - Coluber constrictor anthicus

Eastern yellowbelly Racer - Coluber constrictor flaviventris


GENUS Heterodon

Eastern Hognose Snake - Heterodon Platirhinos

Dusty Hognose Snake - Heterodon nasicus gloydi


GENUS Pantherophis

Eastern (Texas) Rat Snake - Pantherophis obsoleta lindheimeri

Great Plains Rat Snake - Pantherophis guttata emoryi


GENUS Lampropeltis

Prairie Kingsnake - Lampropeltis calligaster calligaster

Speckled Kingsnake - Lampropeltis getula holbrooki

Louisiana Milksnake - Lampropeltis triangulum amaura

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