Western Leaf-nosed Snake

Western Leaf-nosed Snake

Phyllorhynchus decurtatus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Death Valley National Park

📅 Monthly Probability

<5
Jan
<5
Feb
<5
Mar
10–20
Apr
30–40
May
40–50
Jun
10–20
Jul
30–40
Aug
<5
Sep
<5
Oct
<5
Nov
<5
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
20–30%
2 Joshua Tree National Park 🇺🇸 United States
0–10%

Quick answers

What are the chances of seeing a Western Leaf-nosed Snake in Death Valley National Park?

About 21% of visitor-days record a Western Leaf-nosed Snake sighting in Death Valley National Park, based on 34 observer-days of citizen-science data from GBIF.

When is the best time to see Western Leaf-nosed Snake in Death Valley National Park?

June has the highest sighting rate for Western Leaf-nosed Snake in Death Valley National Park in our monthly data.

← Back to Death Valley National Park