Texas Horned Lizard

Texas Horned Lizard

Phrynosoma cornutum

Silhouette: Jose Carlos Arenas-Monroy · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Big Bend National Park
5 Verified sightings at Big Bend National Park From 2019 to 2026
16 Verified sightings across all 2 parks From 2019 to 2026
June Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Texas Horned Lizard

The Texas horned lizard (Phrynosoma cornutum) is one of about 21 North American species of spikey-bodied reptiles called horned lizards, all belonging the genus Phrynosoma. It occurs in south-central regions of the US and northeastern Mexico, as well as several isolated introduced records and populations from Southern United States. Though some populations are stable, severe population declines have occurred in many areas of Texas and Oklahoma. The Texas spiny lizard (Sceloporus olivaceus) may be confused for a Texas horned lizard due to its appearance and overlapping habitat. Texas horned lizard populations show strong genetic structuring across their range, with limited gene flow between regions. Because the Texas horned lizard is listed as a threatened species in the state, it is illegal to pick up, touch, or possess them in Texas.

The horned lizard is popularly called a "horned toad", "horny toad", or "horned frog", but it is neither a toad nor a frog. The popular names come from the lizard's rounded body and blunt snout, which give it a decidedly batrachian appearance. Phrynosoma literally means "toad-bodied" and cornutum means "horned". The lizard's horns are... 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
~20%
2 Big Bend National Park 🇺🇸 United States
~10%

Quick answers

What are the chances of seeing a Texas Horned Lizard in Big Bend National Park?

About 10% of wildlife watchers report a Texas Horned Lizard sighting in Big Bend National Park, based on 5 verified sightings from GBIF citizen-science data.

When is the best time to see Texas Horned Lizard in Big Bend National Park?

June has the highest sighting rate for Texas Horned Lizard in Big Bend National Park in our monthly data.

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