Ground Snake
Sonora semiannulata
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusSonora (Ground Snakes)
- SpeciesSonora semiannulata (Ground Snake)
Closest Relatives at Death Valley National Park
Western Shovel-nosed Snake
Sonora occipitalis
Gopher Snake
Pituophis catenifer
Coachwhip
Masticophis flagellum
Western Patch-nosed Snake
Salvadora hexalepis
California King Snake
Lampropeltis californiae
Western Leaf-nosed Snake
Phyllorhynchus decurtatus
Glossy Snake
Arizona elegans
Long-nosed Snake
Rhinocheilus lecontei
Baja California Lyre Snake
Trimorphodon lyrophanes
Desert Nightsnake
Hypsiglena chlorophaea
Striped Whipsnake
Masticophis taeniatus
Southwestern Blackhead Snake
Tantilla hobartsmithi
📅 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 Death Valley National Park?
About 15% of visitor-days record a Ground Snake sighting in Death Valley National Park, based on 21 observer-days of citizen-science data from GBIF.
When is the best time to see Ground Snake in Death Valley National Park?
August has the highest sighting rate for Ground Snake in Death Valley National Park in our monthly data.