Snakes of the Brazos Valley area of Texas

This web page is a photographic guide to the snakes of Brazos County, Texas and the surrounding counties.

Click here to see a map of the area covered by this list.

Click a link below to see photos of that species.

The X marks in the boxes next to the species name indicate that the species has been recorded in that county.  The abbreviations are
Br = Brazos county
Bu = Burleson county
Gr = Grimes county
Le = Leon county
Ma = Madison county
Mi = Milam county
Ro = Robertson county
Wa = Washington county

Click here to see a map of the showing the arrangement of these counties.

Common Name Scientific Name Counties Recorded
Harmless Snakes Br Bu Gr Le Ma Mi Ro Wa
Plains Blind Snake Leptotyphlops dulcis dulcis X     X   X X X
Texas Glossy Snake Arizona elegans arenicola   X   X   X X  
Racer Coluber constrictor ssp. X X X X   X X X
Mississippi Ring-necked Snake Diadophis punctatus stictogenys               X
Corn Snake Elaphe guttata ssp. X X X     X   X
Texas Rat Snake Elaphe obsoleta lindheimeri X X X X X X X X
Western Mud Snake Farancia abacura reinwardti X X X X X   X  
Plains Hog-nosed Snake Heterodon n. nasicus X     X     X  
Eastern Hog-nosed Snake Heterodon platirhinos X X X X   X X X
Prairie Kingsnake Lampropeltis c. calligaster X X X X X ? X X
Speckled Kingsnake Lampropeltis getula holbrooki X X X X X   X X
Louisiana Milk Snake Lampropeltis triangulum amaura X X X X X   X X
Coachwhip Masticophis flagellum ssp. X X X X X X X X
Blotched Water Snake Nerodia erythrogaster transversa X X X X X X X X
    Br Bu Gr Le Ma Mi Ro Wa
Broad-banded Water Snake Nerodia fasciata confluens X X X X X X X  
Diamondback Water Snake Nerodia rhombifer X X X X X X X X
Rough Green Snake Opheodrys aestivus X X X X X   X X
Graham's Crayfish Snake Regina grahami X X ? X X   X X
Gulf Crayfish Snake Regina rigida sinicola X     X        
Texas Longnose Snake Rhinocheilus lecontei tesselatus   X       X    
Texas Patch-nosed Snake Salvadora grahamiae lineata   X       X X  
South Texas Ground Snake Sonora semiannulata taylori X           X  
Texas Brown Snake Storeria dekayi texana X X X X X X X X
Flathead Snake Tantilla gracilis X X X X   X X X
Checkered Garter Snake Thamnophis m. marcianus X X X         X
Western Ribbon Snake Thamnophis proximus ssp. X X X X X X X  
Eastern Garter Snake Thamnophis sirtalis annectans               X
Lined Snake Tropidoclonion lineatum   X           X
Rough Earth Snake Virginia striatula X X X X X X X X
Western Earth Snake Virginia valeriae elegans X           X  
Venomous Snakes Br Bu Gr Le Ma Mi Ro Wa
Texas Coral Snake Micrurus tener X X X X X X X X
Copperhead Agkistrodon contortrix ssp. X X X X X X X X
Western Cottonmouth Agkistrodon piscivorus leucostoma X X X X X   X  
Western Diamondback Rattlesnake Crotalus atrox X         X X  
Canebrake (Timber) Rattlesnake Crotalus horridus atricaudatus X X X X X ? X  
Western Massasauga Sistrurus catenatus tergeminus X              
Western Pygmy Rattlesnake Sistrurus miliarius streckeri X   X X     X