Ground Snake

Ground Snake

Sonora semiannulata

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~30% · Possible
at Zion National Park
13 Verified sightings at Zion National Park From 2019 to 2026
16 Verified sightings across all 2 parks From 2019 to 2026
March Best month highest sighting rate
☀️🌙 Day & Night When it's spotted Active throughout day and night

About the Ground Snake

The western ground snake (Sonora semiannulata) is a species of small, harmless colubrid snake. The species is endemic to North America. Its patterning and coloration can vary widely, even within the same geographic region. Another common name is miter snake referring to the head marking which suggests a bishop's miter; the synonym "episcopus " (Latin for "bishop") is a similar allusion.

S. semiannulata is native to the Southwestern United States, in Arizona, Nevada, California, Colorado, Kansas, Missouri, New Mexico, Oklahoma, Oregon, Texas, and Utah, as well as northern Mexico, in Chihuahua, Coahuila, Durango, Nuevo León, and Sonora.

The western ground snake can grow to a total length (including tail) of 8 to 19 inches (20.3 to 48.3 cm). The color and pattern can vary widely. Individuals can be brown, red, or orange, with black banding, orange or brown striping, or be solid-colored. The underside is typically white or gray. It has smooth dorsal scales, a small head, and the pupil of the eye is round.

The preferred habitat of S. semiannulata is dry, rocky areas with loose soil. The western ground snake is typically... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Saguaro National Park 🇺🇸 United States
<5%
2 Joshua Tree National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Ground Snake in Zion National Park?

About 30% of wildlife watchers report a Ground Snake sighting in Zion National Park, based on 13 verified sightings from GBIF citizen-science data.

When is the best time to see Ground Snake in Zion National Park?

March has the highest sighting rate for Ground Snake in Zion National Park in our monthly data.

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