Reptiles Trail Sightings

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Chuckwalla  - Sauromalus ater

On: 6/21/2009
A large (up to 229 mm or 9" from snout to vent) flat and wide lizard with loose folds of skin o...
Collared Lizard

Collared Lizard  - Crotaphytus collaris

On: 6/13/2009
Warming up in the sun on the rim of the volcanic crater. The Collared Lizard is a relatively lo...
Desert Tortoise

Desert Tortoise  - Gopherus agassizii

On: 9/25/2010
Weight: 8-15 lbs. Length (carapace): 9-15" Height: 4- 6" Sexual Maturity: 15-20 years Matin...

Gophersnake  - Pituophis catenifer

On: 5/29/2006
Arizona's longest snake (up to 2,337 mm or 92" in total length), found in nearly every part of ...
Greater Earless Lizard

Greater Earless Lizard  - Cophosaurus texanus

On: 4/07/2013
This medium-sized lizard is about 3.5 inches long, gray or tan with long, slender limbs and a f...
Short-horned Lizard

Short-horned Lizard  - Phrynosoma douglassi

On: 6/27/2009
Lives in prairies to high mountain forests and is 2.5" to 5.75" in length. Has a flat body, hea...
Western Diamond-backed Rattlesnake

Western Diamond-backed Rattlesnake  - Crotalus atrox

On: 4/07/2013
Being up to 66" long, this is the largest rattlesnake species in the Western United States. ...
Western Terrestrial Garter Snake

Western Terrestrial Garter Snake  - Thamnophis elegans

On: 7/04/2010
Garter snakes have toxins in their saliva which can be deadly to their prey and their bite migh...
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