If you can see past their camouflage, smooth greens are one of the most commonly seen snakes at Jewel Cave National Monument.
NPS Photo
Smooth Green Snake Opheodrys vernalis
A small terrestrial snake, adults ranging from 12–20 inches in length.
Hibernate over winter in mammal burrows or rock crevices.
Easily identified as the only solid green snake in South Dakota.
Identification
Solid bright green in color and have a light-yellow belly.
Juvenile coloration is like adult coloration.
Diet
Feed primarily on small invertebrates and earthworms
Interactions with other animals
Prey to foxes, weasels, coyotes, other snakes, and birds of prey.
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.
