Yarrow's Spiny Lizard
Sceloporus jarrovii
Snout-vent length can range up to 105 mm. Displays a thick black stripe around neck mimicking a collar that is bordered by a thin, white stripe. Dorsum is either gray or…
How to identify
Snout-vent length can range up to 105 mm. Displays a thick black stripe around neck mimicking a collar that is bordered by a thin, white stripe. Dorsum is either gray or olive colored. Venter can be whitish or gray. Scales are large and keeled. Tail scales appear bigger than scales on rest of body. Males and females mate in the fall; females live-bear young in late June.
Range
From extreme southwestern New Mexico and southeastern Arizona southward through Durango and Zacatecas.
Habitat
Only found in mountainous areas like cliffs, rocky canyons, and hillsides. Terrain can be oak woodland, mixed oak and pine, and thornscrub. Occasionally climbs trees.
Variations
Males display blue markings on either side of venter and throat; females have either faint or no blue markings.
Similar species
Name and etymology
Jarrovii: Honors Henry C. Yarrow.
At a glance
Range
From extreme southwestern New Mexico and southeastern Arizona southward through Durango and Zacatecas.
Habitat
Only found in mountainous areas like cliffs, rocky canyons, and hillsides. Terrain can be oak woodland, mixed oak and pine, a…
Guide
Reptiles and Amphibians of North America
Range map
Approximate range. © Mapbox © OpenStreetMap