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Chuckwallas hibernate during cooler months and emerge in February. [5] Juveniles emerge first, then adults, as temperatures reach around 32 °C (90 °F). [5] Mating occurs from April to July, with five to 16 eggs laid between June and August. The eggs hatch in late September. [5] Chuckwallas may live for 25 years or more.
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]
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 ]
This is an incomplete list of the species of mammals, reptiles, amphibians, and fish found in the Sawtooth National Recreation Area in central Idaho. [1] Gray wolves were reintroduced to central Idaho in the 1990s while grizzly bears have been extirpated from the area, and plans to reintroduce them have been abandoned.
Sauromalus Dumeril, 1856 – chuckwallas: Sauromalus ater — Common chuckwalla Dumeril, 1856; Sauromalus hispidus — Angel Island chuckwalla Stejneger, 1891; Sauromalus klauberi — Spotted chuckwalla Shaw, 1941; Sauromalus slevini — Monserrat chuckwalla Van Denburgh, 1922; Sauromalus varius — Pinto chuckwalla Dickerson, 1919
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The largest species of the genus Sauromalus is the San Esteban chuckwalla (Sauromalus varius), up to 76 cm (27 in) long and 1.4 kg (3.1 lb) in weight, [92] while the second-largest is the Angel Island chuckwalla (Sauromalus hispidus), up to 64 cm (25.2 in) long. [92]
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.