a yarrow, or mountain, spiny lizard, sceloporus jarrovii

america animal arizona beautiful beauty bel black blue brown claws color colored colorful crossbands desert dusky eye eyes feet green head jarrovii large legs lizard lizards male mark mexico natural nature neck outdoor outdoors phrynosomatid phrynosomatide pointed reptile reptiles rock scales sceloporus sonoran spiny spots states stocky taxa throat united usa wedge wild wilderness wilds yarrow yarrows