Chuckwalla  - Sauromalus ater

Location/Trail:  North Mountain National TrailDate sighted:  6/21/2009Season:  SummerA large (up to 229 mm or 9" from snout to vent) flat and wide lizard with loose folds of skin on the neck and sides of the body. The head, shoulders, and limbs of males are black. Large males have pale gray to cream colored tails and have bright "carrot orange" back.