Plains Garter Snake
Photo by Suzanne L. Collins
Used by permission

Plains Garter Snake
Thamnophis radix
  • Size:   Length in Kansas up to 41 1/8 inches.

Kansas range map for the Plains Garter Snake

Range:   Found throughout the western two-thirds of Kansas; less common in northeastern part of state. Absent from southeastern Kansas except an isolated record from Coffey County.
  • Description:   Harmless. Keeled scales; single stripe down middle of back and one on each side of body situated on third and fourth scale rows (counting from belly up); dark vertical bars on upper lips; alternating rows of black spots between stripes on body. Stripe running down middle of back may be bright yellow or orange; stripes on sides are normally yellow. Belly is white, grayish or greenish, with a row of black spots down each side. In central Kansas, may exhibit a bright red color between the three body stripes. Young look like miniature adults.
  • Habits:   Prefers open grassy prairies, particularly along edges of streams, marshes and lakes. Normally active from March to November; usually active during the day. Litters range in number from 5-60, born during late July, August or September. Feeds on earthworms, toads, frogs, salamanders, fishes and small rodents.

    Other Kansas snakes with lengthwise stripes

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    and what to do if you have been bitten by one

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Snake's Burrow
Text: Joseph T. Collins & Suzanne L. Collins
Photos: Suzanne L. Collins & Bob Gress
Range Maps & Web Design: Jim Mason