These colorful snakes are supposed to mimic the coloration of the venomous coral snake.
NPS Photo
Milk Snake Lampropeltis triangulum
The Milk Snake is a medium-sized snake, with adults ranging from 24 to 36 inches in length.
They are active from April to October, then return to winter dens which are usually mammal burrows or rocky crevices for hibernation.
The flashy coloration is supposed to mimic venomous coral snakes; however, coral snakes do not occur in South Dakota.
Identification
Coloration is white with large red bands between blacks rings running the length of their body.
These rings can extend onto the belly or the belly can be white and unmarked.
Juvenile coloration is the same as adults' coloration.
Diet
Milk snakes eat small mammals, lizards, and other snakes.
Typically, large prey is constricted, but small prey is not.
Interactions with other animals
Other snakes, weasels, coyotes, foxes, and birds of prey eat this species.
Last updated: January 9, 2024
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Contact Info
Mailing Address:
11149 U.S. Hwy. 16
Building B12
Custer,
SD
57730
Phone:
605 673-8300
The main phone line connects visitors with staff at the visitor center. Throughout the year, the phone line is monitored by staff on a daily basis, excluding holidays and days with limited visitor services. Please be advised that after-hours messages are not taken on the system; visitors are encouraged to call the visitor center during normal operations and speak with a park ranger for assistance.
