arizona black rattlesnake on background crotalus cerberus

adder animal arizona big bite black cerberus close coil coils copy crawl crotalinae crotalus cutout danger dangerous deadly desert diamond fauna herpetological herpetology high indoors isolated lethal mexico pit pitviper poison poisonous predator rattle rattlesnake reptile serpent snake snakebite southwest species studio tucson venom venomous viper white wildlife