Desert Nightsnake
Hypsiglena chlorophaea
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusHypsiglena (Night Snakes)
- SpeciesHypsiglena chlorophaea (Desert Nightsnake)
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
Western Leaf-nosed Snake
Phyllorhynchus decurtatus
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 | Zion National Park | 🇺🇸 United States | |
| 3 | Grand Canyon National Park | 🇺🇸 United States | |
| 4 | Joshua Tree National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Desert Nightsnake in Joshua Tree National Park?
About 7% of visitor-days record a Desert Nightsnake sighting in Joshua Tree National Park, based on 16 observer-days of citizen-science data from GBIF.
When is the best time to see Desert Nightsnake in Joshua Tree National Park?
May has the highest sighting rate for Desert Nightsnake in Joshua Tree National Park in our monthly data.