Black Rat Snake
Elaphe o. obsoleta
Up to 101 inches in length
North America; Statewide in Louisiana
Found on roads, in swamps, wooded areas, pastures, briar patches, cultivated fields, open sandy places, houses and barns.
Wild - Mostly rats and mice; rabbits, birds, squirrels, lizards
Zoo - Mice, rats
- Very long snake with a uniformly black dorsum or a pattern of large dark blotches on a gray-brown or yellow brown background (all juveniles blotched)
- Belly mottled or checkered; anal plate undivided. Often referred to as "chicken snake."
- Can climb trees
- When cornered pulls body into a tight coil and rapidly vibrates tail making a "buzz", resembling the sound made by a rattlesnake.
Clutch size may range from 6 to 44 eggs.
"The Amphibians and reptiles of Louisiana," Harold A. Dundee and Douglas A. Rossman