Plains Garter Snake

Thamnophis sirtalis radix

Venom Status:

Non Venomous

 

Characteristics:

The plains garter snake, 3 to 3 ½ feet long, formerly consisting of 2 subspecies, has been coalesced into this single species. The dorsal stripe of this water-loving garter snake is yellow to orange. The lateral stripes are white and can be poorly delineated. The ground color may be brownish, reddish-brown, or greenish. There are 2 rows of checkerspots between the dorsal and the lateral stripe and a single row of similar spots below the lateral lines. A row of smaller black spots is usually present on both edges of the belly scutes. Ovovivipoarous. Juveniles similar to adults. Keeled scales in 21 rows

 

Unique Features:

The dorsal stripe of this water-loving garter snake is yellow to orange. The lateral stripes are white and can be poorly delineated. The ground color may be brownish, reddish-brown, or greenish. There are 2 rows of checkerspots between the dorsal and the lateral stripe and a single row of similar spots below the lateral lines

 

Habitat and Diet:

Found adjacent to water sources, such as marshes, streams and ponds. Prey items are amphibians and small rodents

 

Geographic Range:

AR, IL, MN, TX, CO, MT, ID, KS, MO, NE, IA, WY, NM, ND, OH, OK, WI, SD