slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America

slim short-limbed lizard having a distinctive fold on each side that permits expansion; of western North America