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Lizards

Common Chuckwalla

Sauromalus ater

Across the regions where it's common, the Common Chuckwalla peaks from March to July.

Shows up in 3 ecoregions and 4 states

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Lizards

Common Chuckwalla

Sauromalus ater

Look, don't take. Many states regulate collecting reptiles and amphibians. Photograph it, log it on iNaturalist and leave it where you found it.

Description

Sauromalus ater, also known as the common chuckwalla or northern chuckwalla, is a species of lizard in the family Iguanidae. The common chuckwalla is a large, flat-bodied lizard with a large, rounded belly, and a wide-based, blunt-tipped tail.Wikipedia ↗

Habitat

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 ↗

When it's active

In the summer, this flattened posture is replaced with sitting and stilting. Chuckwallas brumate during cooler months and emerge in February.Wikipedia ↗
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When and where it's active

Each row is its own calendar, counted from records in that area. Seasons shift by place.

PeakShoulderQuiet

Ecoregions

JanFebMarAprMayJunJulAugSepOctNovDec
Mojave DesertSonoran DesertColorado Plateau

States

JanFebMarAprMayJunJulAugSepOctNovDec
ArizonaCaliforniaNevadaUtah

About the Common Chuckwalla

When is the Common Chuckwalla most active?

Across the regions where it's common, the Common Chuckwalla peaks from March to July.

Where does the Common Chuckwalla live?

It has enough records to show in 3 ecoregions and 4 states, including Arizona, California, Nevada, and Utah.