Ground Snake

Ground Snake

Sonora semiannulata

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · With luck
overall probability at Grand Canyon National Park

📅 Monthly Probability

<5
Jan
<5
Feb
0–10
Mar
10–20
Apr
20–30
May
10–20
Jun
<5
Jul
<5
Aug
10–20
Sep
0–10
Oct
<5
Nov
<5
Dec

☀️🌙 When They're Spotted

Active throughout day and night · across all parks (global)

☀️🌙Day & Night
☀️🌙🌙12am6am12pm6pm12am

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
20–30%
2 Death Valley National Park 🇺🇸 United States
10–20%
3 Grand Canyon National Park 🇺🇸 United States
10–20%
4 Big Bend National Park 🇺🇸 United States
0–10%
5 Joshua Tree National Park 🇺🇸 United States
Insufficient data
6 Cumbres de Monterrey National Park 🇲🇽 Mexico
Insufficient data

Quick answers

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

About 11% of visitor-days record a Ground Snake sighting in Grand Canyon National Park, based on 8 observer-days of citizen-science data from GBIF.

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

May has the highest sighting rate for Ground Snake in Grand Canyon National Park in our monthly data.

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