Crevice Spiny Lizard

Crevice Spiny Lizard

Sceloporus poinsettii

Silhouette: SeismicShrimp · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~30% · Possible
at Big Bend National Park
117 Verified sightings at Big Bend National Park From 2019 to 2026
183 Verified sightings across all 2 parks From 2019 to 2026
October Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Crevice Spiny Lizard

Sceloporus poinsettii, the crevice spiny lizard, is a species of small, phrynosomatid lizard. The epithet, poinsettii, is in honor of American physician, botanist, and statesman, Joel Roberts Poinsett. In the United States, Sceloporus poinsettii occurs in the Chihuahua Desert and Edwards Plateau regions of Texas and New Mexico. In Mexico it occurs in the border states from the Sierra Madre Occidental of Sonora, eastward through Chihuahua, Coahuila, and Nuevo Leon. Southward its distribution is less well established, although it is known to occur throughout of the state of Durango, parts of Zacatecas, with additional records from San Luis Potosi in the southeast, and the Pacific slopes of the Sierra Madre Occidental of northern Jalisco in the southwest.

The crevice spiny lizard is typically grey in color, but sometimes can have a ruddy red-brown appearance with a black and white collar around the neck region. The underside is typically light grey, but males often have blue patches on either side of their bellies. The tail typically has black banding. Their scales have a distinctly spiny texture. They can grow to 11.8 cm (4.6 in... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Guadalupe Mountains National Park 🇺🇸 United States
~50%
2 Big Bend National Park 🇺🇸 United States
~30%

Quick answers

What are the chances of seeing a Crevice Spiny Lizard in Big Bend National Park?

About 30% of wildlife watchers report a Crevice Spiny Lizard sighting in Big Bend National Park, based on 117 verified sightings from GBIF citizen-science data.

When is the best time to see Crevice Spiny Lizard in Big Bend National Park?

October has the highest sighting rate for Crevice Spiny Lizard in Big Bend National Park in our monthly data.

← Back to Big Bend National Park