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General Description: Desert Iguanas are large, light-colored lizard with a long tail and a small head. The back is variously spotted and striped, while the tail is barred.
Taxonomy: Iguana Family (Iguanidae).
Technical Description: A large (total length 12 to 16 in.), pale, round bodied lizard with a long tail and a relatively small head. The overall body color is light: cream colored with a brownish net-like pattern and gray or whitish spots on the head and neck. A row of slightly enlarged scales can be seen on the midline of the dorsum. This species can be recognized from other species of large lizards in southern Nevada by the light coloration (other species would be dark colored or would have dark markings) and the enlarged mid-dorsal scales. |
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Diet: Primarily eats vegetation such as creosote bush flowers, sand verbena flowers, and other shrubs, flowers, and fruit. Also eats carrion and insects.
Habitat: Creosote-Bursage Flats and Mojave Desert Scrub habitat types with sandy hummocks, mesquite, and salt desert scrub habitats, also rocky stream beds, bajadas, and rocky hills below 5,000 ft elevation. |
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Range: Southwestern deserts from southern Nevada southward into western Mexico. In Nevada, the range of this species is similar to that of its principal food: the creosote bush, and in Clark County, this species is widespread in lower-elevation sandy habitats.
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Breeding:
Similar Species: No other lizard in our area has this white with black pattern.
Comments: Tolerant of hot weather, these lizards can remain active and aboveground on hot days after other species seek cooler temperatures underground. |
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The dorsal pattern is dark with white spots on the back and light with dark bands on the tail. |
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Typical habitat. Stovepipe Wells Sand Dunes, Death Valley National Park, California. |
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Note that Desert Iguanas have the same crest of elongated scales (black arrow) seen in other iguanas, although these are much shorter. |
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If you were a tasty leaf or a flower petal, this might be the last face you ever see! |
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