What is a Desert Iguana

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What is a Desert Iguana

Below is a transcription of the above sign found at the Valley of Fire Visitor Center.

Desert Iguana or Crested Lizard – Dipsosaurus dorsalis

HABITAT

Creosote Bush Scrub, Sand Dunes, Sandy Washes

SIZE/DESCRIPTION

10 to 18 inches (25 to 45 cm) long, round body with low crest on back.

Blunt head, long tail.

Color: light body, dark spots concentrating into bands around tail.

FOOD

Various plant materials, including young leaves, flowers, fruits, insects.

RANGE

Southern Nevada, southern California, western Arizona south into Mexico.

ADAPTATION FOR SURVIVAL

Comfortable at very high temperatures, up to +115° F (+46°C).

Obtains moisture from food.

Climbs into shrubs to avoid high temperatures of desert floor; stands stiff-legged to hold body off hot rocks.

COMMENTS

Active during day; runs rapidly across hot desert in open sun.

One of many meat sources for Indians of region, and an important food for many predators.

What is a Desert Iguana