close up coiled coast patch-nosed snake salvadora hexalepis virgultea on boulder

animal animalia animals biology california close coast coastal coiled coluber colubrid colubridae colubrids constrictor forked harmless head herp herpetofauna herpetology herping herps hexalepis lateralis nature non nonvenomous nose nosed outdoor patch patchnosed predator racer racers reptile reptiles reptilia reptilian rock salvadora scale scales scaly serpent serpents slither slithering snake snakes southern squamata squamate stripe striped thin tongue venomous vertebrata vertebrate virgultea wild wildlife zoo zoology