island night lizard

Island Night Lizard

Xantusia riversiana

Range

Endemic to the Channel Islands of southern California; specifically San Nicolas Island, Santa Barbara Island, San Clemente Island, and Sutil Island.

Habitats

This lizard prefers dense thickets of boxthorn and cacti in coastal scrub habitats. Often seen on rocks or rocky substrate.

Identification

A unique looking lizard that somewhat resembles a gecko. It has smooth plate-like scales on its relatively large head, rough granular scales on its body, and bands of sharply keeled scales on its tail. It has vertical pupils, a pointed snout, and a thick neck. It is generally dark grey-brown with subtle mottling to match its dry, rocky surroundings. It has folds of excess skin on the sides of its neck and body.

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