Non-venomous snakes •
Arizona elegans—glossy snake •
Carphophis vermis—western worm snake •
Cemophora coccinea—scarlet snake •
Coluber constrictor—racer •
Diadophis punctatus—ring-neck snake •
Farancia abacura—mud snake •
Heterodon nasicus—western hognose snake •
H. platyrhinos—eastern hognose snake •
Hypsiglena jani—Texas night snake •
Lampropeltis calligaster—prairie kingsnake •
L. gentilis—western milk snake •
L. holbrooki—speckled kingsnake •
Liodytes rigida — glossy crayfish snake •
Masticophis flagellum—coachwhip snake •
Nerodia erythrogaster—plain-bellied water snake •
N. fasciata—banded water snake •
N. rhombifera—diamond-back water snake •
N. sipedon—
northern and midland water snake •
Opheodrys aestivus—keeled green or rough green snake •
Pantherophis emoryi—great plains rat snake •
P. obsoletus—western rat snake •
Pituophis catenifer—bullsnake •
Regina grahami—Graham's crayfish snake •
Rena dulcis—Texas blind snake •
Rhinocheilus lecontei—long-nosed snake •
Sonora episcopa—Great Plains ground snake •
Storeria dekayi—Dekay's brown snake •
S. occipitomaculata—red bellied snake •
Tantilla gracilis—flat-headed snake •
T. nigriceps—black-headed snake •
Thamnophis cyrtopsis—black-necked garter snake •
T. elegans—wandering garter snake •
T. marcianus—checkered garter snake •
T. proximus—western ribbon snake •
T. radix—plains garter snake •
T. sirtalis—common garter snake •
Tropidoclonion lineatum—lined snake •
Virginia striatula—rough earth snake •
V. valeriae—smooth earth snake
Venomous snakes •
Agkistrodon contortrix—eastern copperhead •
A. laticinctus—broad-banded copperhead •
A. piscivorus—cottonmouth or water moccasin •
Crotalus atrox—western diamond-back rattlesnake •
C. horridus—timber rattlesnake •
C. viridis—prairie rattlesnake •
Sistrurus tergeminus—western massasauga rattlesnake •
S. miliarius—western pygmy rattlesnake ==References==