eastern diamondback rattlesnake (crotalus adamanteus) in a zoo : (pix sanjiv shukla)

eastern diamondback rattlesnake crotalus adamanteus pit viper family viperidae diamond common diamond-back rattler timber water rattle endemic southeastern united states heaviest venomous snake poisonous brownish reptile americas largest skin scale color pattern yellow gray olive dark brown black diamonds diamond-shaped blotches crossband tail shedding pine forest flatwoods sandhills coastal maritime hammocks marsh habitat swamp prairies burrow swimmer