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Two rare and endangered species are the Montserrat chuckwalla (S. slevini) found on Islas Carmen, Coronados, and Montserrat in the southern Gulf of California and the San Esteban chuckwalla or painted chuckwalla (S. varius) found on San Esteban Island, Lobos, and Pelicanos. Chuckwalla (S. ater) in rocky area of Death Valley National Park
Sauromalus ater, also known as the common chuckwalla or northern chuckwalla, is a species of lizard in the family Iguanidae. [2] [3] 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. [4]
Chuckwalla, a genus of lizards found in southwestern United States and northern Mexico Angel Island chuckwalla, a species of chuckwalla; Spotted chuckwalla (alt. Catalina Island chuckwalla), a species of chuckwalla; Peninsular chuckwalla, species of chuckwalla; San Esteban chuckwalla, a species of chuckwalla
Sauromalus klauberi, commonly called the Catalina chuckwalla or the spotted chuckwalla, is a species of chuckwalla, a lizard in the family Iguanidae. It is endemic to Mexico [ 1 ] [ 3 ] The species was first described in 1941.
The San Esteban chuckwalla is the largest species of chuckwalla, reaching 61 cm (24 in) in body length and 76 cm (30 in) overall length, and weighing up to 1.4 kg (3.1 lb). [6] It is considered a textbook example of island gigantism , as it is three to four times the size of its mainland counterparts. [ 6 ]
Chuckwalla National Monument is a national monument in the Colorado Desert of Southern California that protects 624,270 acres (2,526.3 km 2) of desert habitat in Riverside and Imperial counties from development. [1] [2] The monument spans several mountain ranges between Joshua Tree National Park and the Chocolate Mountain Aerial Gunnery Range.
The Angel Island chuckwalla is the second-largest species of chuckwalla, reaching 44 cm (17 in) in body length and 64 cm (25 in) overall length, and weighing up to 1.4 kg (3.1 lb). [5] It is considered a gigantic species as it is two to three times the size of its mainland counterparts.
The Montserrat chuckwalla prefers dwelling in lava flows and rocky areas with nooks and crannies available for a retreat when threatened. These areas are typically vegetated by creosote bush and cholla cacti , which form the staple of its diet as the chuckwalla is primarily herbivorous .