canebrake rattlesnake drawn back

aggression ambush america animal biodiversity biology bite blooded brown camouflage canebrake carnivore chevrons close cold colors common conservation crossbands dangerous efficiency environment eye fangs fierceness hemotoxic herpetology natural nature neurotoxin outdoors outside poisonous predator prepared rattle rattlesnake reptile snake sneak species spooky stealth strike subspecies timber unique venomous viper wild wildlife