This guy was pretty big for a fence lizard, and patient too. He let me get right up to him for a portrait shot. Usually the big ones are pretty flighty. I suspect that's part of how they successfully get from small to big.  View large on black to see the eye better  ~~~  Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Suborder: Iguania Family: Phrynosomatidae Genus: Sceloporus Species: S. undulatus Binomial name: Sceloporus undulatus