curled up sidewinder & x28;crotalus cerastes& x29; venomous pitviper snake

animal beauty cerastes closeup coiled colorful crotalus danger dangerous desert eye head herpetology horned horns macro mexico mojave natural nature northwestern pet pit pitviper poison poisonous predator raised rattle rattler rattlesnake reptile reptilian sand scales serpent sidewinder snake southwestern species states supraocular united venom venomous viper wild wildlife winder yellow zoology