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eastern fence lizard

eastern fence lizard (Sceloporus undulatus)
Photo © Mary Kay Rubey

Features and Behaviors

FEATURES
The eastern fence lizard averages four to seven and one-fourth inches in length. It has keeled (ridged), overlapping, pointed scales on the back. The male has a prominent blue patch at each side of the belly. The body is gray (usually females) or brown (usually males). Dark bands may be present along the back.

BEHAVIORS
The eastern fence lizard may be found in the southern one-third of Illinois. This reptile lives in open, dry wooded areas with rock outcrops, boulders, rotting stumps or rotting logs. The fence lizard climbs trees. It is active in the morning and late evening of sunny days. Mating occurs between April and August, with each female producing two clutches of eggs. Courtship involves the male performing head-bobbing and pushup movements for the female. The female deposits between four and 17 eggs in soil, rotten logs or stumps. Eggs hatch in July or August. The fence lizard eats mainly insects and other arthropods but may take smaller lizards and baby mice, too.

Illinois Range

Taxonomy

​Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Phrynosomatidae

Illinois Status: common, native