Ornate Tree Lizard

Urosaurus ornatus

Reptiles & Amphibians3.8 to 5.7 cmIn the app

Small, slim lizard with spots and irregular stripes width-wise on dorsum. Stripes can be tan, black, brown, or gray; overall color will usually match that of its environm…

Ornate Tree Lizard illustration

How to identify

Small, slim lizard with spots and irregular stripes width-wise on dorsum. Stripes can be tan, black, brown, or gray; overall color will usually match that of its environment. Area at base of tail is brown. Males exhibit bright areas on ventral surface and have metallic blue or green areas on sides of bellies; also exhibit brightly colored area on throat that is either green, blue, yellow, or orange. Females possess white bellies and either orange, yellow, or white throats. Egg clutches take 30 days to develop and can range from 3 to 11 eggs.

Range

East from southeastern California and northeastern Baja California through southern Nevada, Utah, southwestern Wyoming, and western Colorado; south through Arizona, New Mexico, and Texas to Sinaloa and northern Coahuila.

Habitat

Inhabits a diverse number of environments including desert and forest. Commonly found near rivers. While active, stays on rocks or trees; can also be found near suburban areas on fence posts or other man made structures. Hides under shrubs, logs, or underground in burrows. Take advantage of its camouflage appearance by blending into environments to wait for food, usually at elevated locations. Eggs are laid under natural shelter or underground.

Variations

Subspecies Colorado River Tree Lizard, or *Urosaurus ornatus symmetricus*, possesses scales mid-back that are wider than usual. Also exhibits individual colored patches on belly.

Similar species

Name and etymology

Ornatus: Latin for ornamented or ornate.

At a glance

Size

3.8 to 5.7 cm

Range

East from southeastern California and northeastern Baja California through southern Nevada, Utah, southwestern Wyoming, and w…

Habitat

Inhabits a diverse number of environments including desert and forest. Commonly found near rivers. While active, stays on roc…

Range map

Range map for Ornate Tree Lizard

Approximate range. © Mapbox © OpenStreetMap

Sources & further reading