northwestern fence lizard (sceloporus occidentalis occidentalis), male, basking on a colorful rock.

basking sunny bluebelly bluebellied lizard fence swift western spiny lizards grey black united states sunning carnivorous iguanidae blue belly sun bathing crawler perched perching portrait closeup details squamata looking alert cautious nature blotches scales diurnal markings male death valley national park california nevada rock stone side view profile fauna animal desert northwestern occidentalis reptile sceloporus wild wildlife