western yellow-bellied racer snake close up coluber constrictor mormon

agile animal animalia animals bellied close closeup coluber colubrid colubridae constrictor eye fast flicking herp herpetofauna herpetology herping herps mormon racer racers reptile reptiles reptilia reptilian scaled scales scaly serpent serpents slither slithering slithers snake snakes squamata tongue western wild wildlife yellow yellowbellied