Sidewinder

Sidewinder

Crotalus cerastes

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
10–20% · Possible
overall probability at Joshua Tree National Park

📅 Monthly Probability

0–10
Jan
10–20
Feb
10–20
Mar
10–20
Apr
20–30
May
20–30
Jun
10–20
Jul
20–30
Aug
20–30
Sep
20–30
Oct
10–20
Nov
0–10
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 Joshua Tree National Park?

About 18% of visitor-days record a Sidewinder sighting in Joshua Tree National Park, based on 136 observer-days of citizen-science data from GBIF.

When is the best time to see Sidewinder in Joshua Tree National Park?

October has the highest sighting rate for Sidewinder in Joshua Tree National Park in our monthly data.

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