Panamint Rattlesnake
Panamint RattlesnakePanamint RattlesnakePanamint RattlesnakePanamint Rattlesnake

Panamint Rattlesnake

Crotalus stephensi

Endemic
10–20% · With luck
overall probability at Sequoia and Kings Canyon National Parks
14 Verified records at Sequoia and Kings Canyon National Parks
May Best month highest sighting rate
🌙 Nocturnal When it's active during nighttime hours (6pm–6am)

Crotalus stephensi, also known as the Panamint Rattlesnake, is a venomous pitviper species found in central and southern Nevada and adjacent California. Other common names include Owens Valley rattlesnake and tiger rattlesnake (not to be confused with C. tigris). Wikipedia →

10–20% of wildlife watchers report a Panamint Rattlesnake sighting in Sequoia and Kings Canyon National Parks, based on 14 days of visitor records from GBIF citizen-science data.

Closest Relatives at Sequoia and Kings Canyon National Parks

Western Rattlesnake
LC

Western Rattlesnake

☀️🌙 Day & Night Reptile

Crotalus oreganus

30–40% · Possible
Sidewinder
LC

Sidewinder

🌙 Nocturnal Reptile

Crotalus cerastes

Insufficient data

📅 Monthly Probability

<5
Jan
<5
Feb
10–20
Mar
20–30
Apr
20–30
May
10–20
Jun
10–20
Jul
5–10
Aug
5–10
Sep
5–10
Oct
10–20
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
40–50%
2 Sequoia and Kings Canyon National Parks 🇺🇸 United States
10–20%

Quick answers

What are the chances of seeing a Panamint Rattlesnake in Sequoia and Kings Canyon National Parks?

About 13% of wildlife watchers report a Panamint Rattlesnake sighting in Sequoia and Kings Canyon National Parks, based on 14 days of visitor records from GBIF citizen-science data.

When is the best time to see Panamint Rattlesnake in Sequoia and Kings Canyon National Parks?

May has the highest sighting rate for Panamint Rattlesnake in Sequoia and Kings Canyon National Parks in our monthly data.

← Back to Sequoia and Kings Canyon National Parks