Ground Snake
Sonora semiannulata
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusSonora (Ground Snakes)
- SpeciesSonora semiannulata (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. Wikipedia →
20–30% of wildlife watchers report a Ground Snake sighting in Zion National Park, based on 13 days of visitor records from GBIF citizen-science data.
Closest Relatives at Zion National Park
Gopher Snake
Pituophis catenifer
Western Terrestrial Garter Snake
Thamnophis elegans
Striped Whipsnake
Masticophis taeniatus
California King Snake
Lampropeltis californiae
Coachwhip
Masticophis flagellum
Arizona Mountain Kingsnake
Lampropeltis pyromelana
Desert Nightsnake
Hypsiglena chlorophaea
Western Patch-nosed Snake
Salvadora hexalepis
Ringneck Snake
Diadophis punctatus
Glossy Snake
Arizona elegans
Sonoran Lyre Snake
Trimorphodon lambda
📅 Monthly Probability
☀️🌙 When They're Spotted
Active throughout day and night · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Zion National Park | 🇺🇸 United States | |
| 2 | Death Valley National Park | 🇺🇸 United States | |
| 3 | Grand Canyon National Park | 🇺🇸 United States | |
| 4 | Big Bend National Park | 🇺🇸 United States | |
| 5 | Joshua Tree National Park | 🇺🇸 United States | |
| 6 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
Quick answers
What are the chances of seeing a Ground Snake in Zion National Park?
About 24% of wildlife watchers report a Ground Snake sighting in Zion National Park, based on 13 days of visitor records 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.