Greater Short-horned Lizard
Phrynosoma hernandesi
Camouflage well into surroundings with either grayish, yellowish, reddish, or brownish dorsum. Displays numerous horns on head and pointed scales across back. Body is fla…
How to identify
Camouflage well into surroundings with either grayish, yellowish, reddish, or brownish dorsum. Displays numerous horns on head and pointed scales across back. Body is flat and legs are short. Adult snout to vent length ranges from 2 to 5 inches (5.1 to 12.7 cm). Males and females mate in spring from May to June; females give live birth. Young do not have horns and are self-reliant a few hours after birth.
Range
Western United States, Canada, and Mexico from southern Alberta and southern Saskatchewan southward to New Mexico, Arizona, mountains of western Texas, and southern Durango, Mexico.
Habitat
Generally found in open areas which can range from wooded terrain to semiarid plains. Inhabits both rocky and sandy soil; burrows in rodent burrows.
Variations
Mature females grow larger than mature males with the former having an average snout to vent length of 7 cm (about 2.75 inches) and the latter averaging about 5 cm (2 inches).
Similar species
Name and etymology
Hernandesi: Honoring Francisco Hernandez.
At a glance
Range
Western United States, Canada, and Mexico from southern Alberta and southern Saskatchewan southward to New Mexico, Arizona, m…
Habitat
Generally found in open areas which can range from wooded terrain to semiarid plains. Inhabits both rocky and sandy soil; bur…
Guide
Reptiles and Amphibians of North America
Range map
Approximate range. © Mapbox © OpenStreetMap