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Reptiles » SNAKES
Yellow-bellied Kingsnake

Yellow-bellied Kingsnake
Lampropeltis calligaster

Two subspecies are recognized in Tennessee: Prairie Kingsnake (L. c. calligaster), which occurs in the northern half of western and central Tennessee, and Mole Kingsnake (L. c. rhombomaculata), which occurs in the eastern part of the state. Populations of the two subspecies interbreed in the southern half of western and central Tennessee.

Description: A medium-sized snake (30.0 to 42.0 inches in length) with shiny, smooth scales. Prairie Kingsnakes are tan or gray with brown or reddish, black-edged blotches along the center of the back and 2 rows of smaller patches along the sides, which are occasionally fused. Mole Kingsnakes are light brown to reddish with rounded, reddish brown blotches bordered by black. A backward pointing arrowhead shape occurs on the top of the head. Belly is yellowish or whitish with alternating square or rectangular brown markings.

Similar Species:

  • Red Cornsnake has striping under tail.
  • Milksnakes have larger blotches on the back that are closer together and surrounded by black, and belly has striking black markings.
  • Gray Ratsnakes have keeled scales.

Habitat: Typically found in upland forests, woodlots, agricultural fields, and suburban areas. Prairie Kingsnakes are generally found in prairie grasslands, agricultural fields, or other open habitat. Although both subspecies are secretive, the Mole Kingsnake is more so by spending much of its life underground in burrows.

Diet: Preys on mice, voles, lizards, and small snakes primarily.

Breeding information: Adults breed in early spring after the males find females by following their scent. Females lay 5-17 eggs under logs, rocks, or in sawdust piles during the summer. Young hatch during late summer.

Status in Tennessee: No protection for either of the 2 subspecies. Prairie Kingsnakes are able to tolerate habitat modification relatively well and they have a wide distribution. They are often mistakenly identified as copperheads and needlessly killed though. The secretive nature of the Mole Kingsnake has made status determination difficult.

Fun Facts:

  • The Mole Kingsnake is often un-earthed from its burrows by farm plows or during excavations.
  • Like other kingsnakes, Yellow-bellied Kingsnakes are immune from the venom of poisonous snakes and can therefore pursue and eat them.

Best places to see in Tennessee: Native grass prairies or agricultural fields in the southern two-thirds of eastern Tennessee.

For more information:

Atlas of the Reptiles of Tennessee

Sources:

Conant, R. and Collins, J. 1998. Peterson Field Guides: Reptiles and Amphibians (Eastern/Central North America). Houghton Mifflin Company, New York. 616pp.

Jensen, J. B., Camp C. D., Gibbons, W., and Elliot, M. J. 2008. Amphibians and Reptiles of Georgia, University of Georgia Press, Athens, GA. 575pp.

Johnson, T.R. 2006. The Amphibians and Reptiles of Missouri. The Missouri Department of Conservation, Jefferson City, MO.