Adam Schallau Photography

Chuckwalla in the Grand Canyon.

The chuckwalla is the second largest lizard in the United States with males measuring up to 18" and females just a bit smaller. It can often be found soaking up some sun on the rocks down in the Grand Canyon. Mile 137 on the Colorado River.

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Filename: Grand-Canyon-Chuckwalla-Lizard-3593.tif
Image Size: 8688x4888 / 243.0MB; http://adamschallau.com; AZ Arizona Below the Rim Chuckwalla Colorado River Expedition Grand Canyon Grand Canyon National Park Lizard National Park River Trip
Contained in galleries: Grand Canyon Below the Rim, Grand Canyon Wildlife

The chuckwalla is the second largest lizard in the United States with males measuring up to 18" and females just a bit smaller. It can often be found soaking up some sun on the rocks down in the Grand Canyon. Mile 137 on the Colorado River.