Eastern Collared Lizard

Eastern Collared Lizard

Crotaphytus collaris

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Big Bend National Park
68 Verified records at Big Bend National Park
April Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The common collared lizard (Crotaphytus collaris), also commonly called eastern collared lizard, Oklahoma collared lizard, mountain boomer, yellow-headed collared lizard, and collared lizard, is a North American species of lizard in the family Crotaphytidae. The common name "collared lizard" comes from the lizard's distinct coloration, which includes bands of black around the neck and shoulders that look like a collar. Males can be very colorful, with blue-green bodies, yellow stripes on the tail and back, and yellow-orange throats. Five subspecies are recognized. Wikipedia →

20–30% of wildlife watchers report a Eastern Collared Lizard sighting in Big Bend National Park, based on 68 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

<5
Jan
20–30
Feb
10–20
Mar
30–40
Apr
10–20
May
10–20
Jun
5–10
Jul
10–20
Aug
10–20
Sep
20–30
Oct
20–30
Nov
20–30
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Big Bend National Park 🇺🇸 United States
20–30%
2 Guadalupe Mountains National Park 🇺🇸 United States
20–30%
3 Grand Canyon National Park 🇺🇸 United States
10–20%
4 Cumbres de Monterrey National Park 🇲🇽 Mexico
<5%

Quick answers

What are the chances of seeing a Eastern Collared Lizard in Big Bend National Park?

About 20% of wildlife watchers report a Eastern Collared Lizard sighting in Big Bend National Park, based on 68 days of visitor records from GBIF citizen-science data.

When is the best time to see Eastern Collared Lizard in Big Bend National Park?

April has the highest sighting rate for Eastern Collared Lizard in Big Bend National Park in our monthly data.

← Back to Big Bend National Park