Sidewinder

Sidewinder

Crotalus cerastes

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
50–60% · Likely
overall probability at Death Valley National Park

📅 Monthly Probability

10–20
Jan
30–40
Feb
30–40
Mar
50–60
Apr
60–70
May
60–70
Jun
70–80
Jul
40–50
Aug
50–60
Sep
40–50
Oct
20–30
Nov
10–20
Dec

🌙 When They're Spotted

Most active during nighttime hours (6pm–6am) · across all parks (global)

🌙Nocturnal
☀️🌙🌙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 Death Valley National Park 🇺🇸 United States
50–60%
2 Joshua Tree National Park 🇺🇸 United States
10–20%
3 Sequoia and Kings Canyon National Parks 🇺🇸 United States
Insufficient data
4 Zion National Park 🇺🇸 United States
Insufficient data
5 Grand Canyon National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Sidewinder in Death Valley National Park?

About 51% of visitor-days record a Sidewinder sighting in Death Valley National Park, based on 209 observer-days of citizen-science data from GBIF.

When is the best time to see Sidewinder in Death Valley National Park?

July has the highest sighting rate for Sidewinder in Death Valley National Park in our monthly data.

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