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VAPAGuide: Venomous & Poisonous Animals

Country: Nebraska, Kansas, Oklahoma

Distribution of Terrestrial Snakes in North America

Occurrences in
NW	the Northwest
N	the North
NE	the Northeast
W	the West
C	central areas
E	the East
SW	the Southwest
S	the South
SE	the Southeast
X	most areas
?	unclear

Literature on the distribution

Pit Vipers

Agkistrodon spp., Moccasins

Agkistrodon contortrix	E+S	E & C Oklahoma, E Kansas
Agkistrodon laticinctus	C+S	C/N Oklahoma, S Kansas
Agkistrodon piscivorus	SE	Kansas, S & E Oklahoma

Crotalus spp. (without Crotalus durissus sspp.), Rattlesnakes

Crotalus atrox	X	Oklahoma only
Crotalus horridus	E
Crotalus viridis	X

Sistrurus spp., Pygmy rattlesnake and Massasauga

Sistrurus miliarius	X	Oklahoma only
Sistrurus tergeminus	X	E Nebraska, Kansas, Oklahoma