Common Chuckwalla
Common ChuckwallaCommon ChuckwallaCommon ChuckwallaCommon Chuckwalla

Common Chuckwalla

Sauromalus ater

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Grand Canyon National Park
40 Verified records at Grand Canyon National Park
August Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

Sauromalus ater, also known as the common chuckwalla or northern chuckwalla, is a species of lizard in the family Iguanidae. It inhabits the Sonoran and Mojave Deserts of the Southwestern United States and northwestern Mexico. Its range extends from eastern California, Utah, and Nevada south to Baja California and Sonora. Wikipedia →

10–20% of wildlife watchers report a Common Chuckwalla sighting in Grand Canyon National Park, based on 40 days of visitor records from GBIF citizen-science data.

Closest Relatives at Grand Canyon National Park

Desert Iguana
LC

Desert Iguana

☀️ Diurnal Reptile

Dipsosaurus dorsalis

Insufficient data

📅 Monthly Probability

<5
Jan
<5
Feb
10–20
Mar
10–20
Apr
20–30
May
20–30
Jun
<5
Jul
20–30
Aug
20–30
Sep
5–10
Oct
<5
Nov
<5
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 Death Valley National Park 🇺🇸 United States
60–70%
2 Joshua Tree National Park 🇺🇸 United States
50–60%
3 Grand Canyon National Park 🇺🇸 United States
10–20%
4 Bahía de Loreto National Park 🇲🇽 Mexico
5–10%

Quick answers

What are the chances of seeing a Common Chuckwalla in Grand Canyon National Park?

About 17% of wildlife watchers report a Common Chuckwalla sighting in Grand Canyon National Park, based on 40 days of visitor records from GBIF citizen-science data.

When is the best time to see Common Chuckwalla in Grand Canyon National Park?

August has the highest sighting rate for Common Chuckwalla in Grand Canyon National Park in our monthly data.

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