Great Plains Ratsnake

Other Names: Prairie Cornsnake
Scientific Name: Pantherophis emoryi
(Formerly: Elaphe guttata)
Family: Colubridae

Description & Size

  • Legless
  • No eyelids
  • Lacks external ears
  • Scales on the back have low ridge in the middle (weakly keeled)
  • Divided anal scale
  • Has a “V” pattern on the head where the point faces the nose
  • Head is slightly wider than the neck
  • Total length: 46.0-183.0 cm (18.1-72.0 in)
  • Back color: gray to light brown
  • Belly color: white with dark checkerboard pattern
  • May or may not have blotches down the back of the snake that are darker in color

Life History

  • Diurnal and Nocturnal
  • Active season: Early April – late October
  • Breeding season: Late April – early May
  • Lays eggs
  • 3-37 eggs per female
Great Plains Rat Snake

Habitat

  • Limestone outcrops next to grasslands
  • Rocky hillsides
  • Sometimes caves

Diet

  • Small mammals
  • Birds
  • Bird eggs
  • Reptiles

Range Map

Great Plains Ratsnake range map

Most common range within the last 50 years and does not include outliers. For more info email researchers email.