Eastern Diamondback Rattlesnake
Crotalus adamanteus

CLASS: Reptilia
ORDER: Squamata
SUBORDER: Sepentes
FAMILY: Viperidae

Up to 96 inches in length

North America; Coastal lowlands from southeast North Carolina to extreme east Louisiana and all of Florida

Palmetto flatwoods and dry pinelands of the South

Wild - Rodents and birds
Zoo - Mice and rats

Very long, heavy bodied, gray brown or olive green with a pattern of brown diamond-shaped blotches; dark line from the eye to the angle of the jaw; a deep pit in the side of the head between the eye and the nostril; rattle on tip of tail; anal plate undivided.


  • Most potent venom of any pit viper found in Louisiana; very large size; aggressive; coloration provides good camouflage.
  • Eastern diamondback rattlesnakes and canebrake rattlesnakes are in the same genus.

No reproductive data available on the Louisiana species, but elsewhere live young born numbering 7-21.

Locally protected; extirpated in Louisiana

"The Amphibians and Reptiles of Louisiana", Harold A. Dundee and Douglas A. Rossman
"Grzimek's Animal Life Encyclopedia", Vol. 6 Reptiles, Dr. Bernhard Grzimek