Western Leaf-nosed Snake
Phyllorhynchus decurtatus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusPhyllorhynchus
- SpeciesPhyllorhynchus decurtatus (Western Leaf-nosed Snake)
Closest Relatives at Joshua Tree National Park
Gopher Snake
Pituophis catenifer
Coachwhip
Masticophis flagellum
Western Patch-nosed Snake
Salvadora hexalepis
Western Shovel-nosed Snake
Sonora occipitalis
Glossy Snake
Arizona elegans
California King Snake
Lampropeltis californiae
Long-nosed Snake
Rhinocheilus lecontei
Striped Racer
Masticophis lateralis
Desert Nightsnake
Hypsiglena chlorophaea
Two-striped Garter Snake
Thamnophis hammondii
Baja California Lyre Snake
Trimorphodon lyrophanes
Ground Snake
Sonora semiannulata
📅 Monthly Probability
🌙 When They're Spotted
Most active during nighttime hours (6pm–6am) · across all parks (global)
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 | |
| 2 | Joshua Tree National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Western Leaf-nosed Snake in Joshua Tree National Park?
About 6% of visitor-days record a Western Leaf-nosed Snake sighting in Joshua Tree National Park, based on 19 observer-days of citizen-science data from GBIF.
When is the best time to see Western Leaf-nosed Snake in Joshua Tree National Park?
June has the highest sighting rate for Western Leaf-nosed Snake in Joshua Tree National Park in our monthly data.