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Crevice Spiny Lizard

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Species group:

Scientific name: Sceloporus poinsettii

The basics:
The Crevice Spiny Lizard (Sceloporus poinsettii) is a small, phrynosomadtid lizard which is native to the Chihuahuan desert, in US states of Texas and New Mexico, and in the Mexican states of Chihuahua and Coahuila. It prefers rocky arid and semi-arid environments. It is commonly seen on boulders, in canyons, and in rocky outcrops.

Appearance / health:
Crevice spiny lizards are typically grey in color, but sometimes can have a ruddy red-brown appearance with a black and white collar around the neck region. Their underside is typically light grey, but males often have blue patches on either side of the belly. Their tail typically has black banding. Their scales have a distinctly spiny texture. They can grow from 5-11 inches in length.

Like many other lizards, spiny lizards exhibit metachromatism, which involves color changes with changes in temperature. When it is cooler, colors are much darker than when the temperature is high. Darker colors increase the amount of heat absorbed from the sun and lighter colors reflect solar radiation.


Diet:
Crevice Spiny Lizards are insectivorous, consuming a wide variety of spiders, beetles, and other insects, but they will sometimes also consume tender vegetation.

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