Snakes Serpentes

Total number of world species: 3,432

Black-tailed Rattlesnake Crotalus molossus
Cave Creek Canyon, near Portal, Cochise County, Arizona, July 2008

Boa constrictor Boa constrictor
Caroni Swamp, Trinidad, January 2008

Checkered Garter Snake Thamnophis marcianus
Granite Gap, Hidalgo County, New Mexico, August 2011

Common Kingsnake Lampropeltis getula
Bosque del Apache National Wildlife Refuge, Socorro County, New Mexico, August 2009

Diamond-backed Water Snake Nerodia rhombifer
Santa Ana National Wildlife Refuge, Hidalgo County, Texas, March 2013

Glossy Snake Arizona elegans
Cave Creek Canyon, near Portal, Cochise County, Arizona, November 2008

Gopher Snake Pituophis catenifer
Granite Gap, Hidalgo County, New Mexico, September 2011

Mohave Rattlesnake Crotalus scutulatus
Cave Creek Canyon, near Portal, Cochise County, Arizona, September 2011

Prairie Rattlesnake Crotalus viridis
City of Rocks State Park, Grant County, New Mexico, August 2011

Pigmy Rattlesnake Sistrurus miliarius
Okmulgee State Park, Okmulgee County, Oklahoma, May 2014

Red-striped Ribbon Snake Thamnophis proximus
Lost Maples State Natural Area, Bandera County, Texas, April 2012

Sonoran Mountain Kingsnake Lampropeltis pyromelana
Cave Creek Canyon, near Portal, Cochise County, Arizona, October 2006

Terrestrial Garter Snake Thamnophis elegans
Cherry Creek campground, Gila Natiolal Forest Grant County, New Mexico, June 2011

Texas Indigo Snake Drymarchon melanurus
Esterro Llanos Grande State Park, Hidalgo County, Texas, March 2013

Western Cottonmouth Agkistrodon piscivorus
Palmetto State Park, Gonzales County, Texas, May 2012

Western Diamond-backed Rattlesnake Crotalus atrox
6 miles west off Animas, Hidalgo County, New Mexico, September 2010

Western Hog-nosed Snake Heterodon nasicus
Granite Gap, Hidalgo County, New Mexico, July 2011

Western Patch-nosed Snake Salvadora hexalepis
Madera Canyon, near Green Valley, Pima County, Arizona, September 2012