snake in the rocks

adder animal arizona background big black camouflage coldblooded crawl creeper danger dangerous deadly death desert diamondback forest herpetology mountainsnake nature ophidian outdoors poison poisonous predator rattlesnake reptile reptilian rock serpent skin sleeping snake snakedanger snakeonstone snakerock snakeskin species stone tongue venom venomous viper vipera water watersnake white wild wildlife