Coast Night Snake
Hypsiglena ochrorhynchus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusHypsiglena (Night Snakes)
- SpeciesHypsiglena ochrorhynchus (Coast Night Snake)
Closest Relatives at Yosemite National Park
California Mountain Kingsnake
Lampropeltis zonata
Western Terrestrial Garter Snake
Thamnophis elegans
Western Aquatic Garter Snake
Thamnophis couchii
Gopher Snake
Pituophis catenifer
Common Garter Snake
Thamnophis sirtalis
Striped Racer
Masticophis lateralis
Ringneck Snake
Diadophis punctatus
Sharp-tailed Snake
Contia tenuis
North American Racer
Coluber constrictor
California King Snake
Lampropeltis californiae
📅 Monthly Probability
Fewer than 5 records of Coast Night Snake at Yosemite National Park — not enough to chart months honestly.
☀️🌙 When They're Spotted
Active throughout day and night · 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 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 2 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 3 | Bahía de Loreto National Park | 🇲🇽 Mexico | |
| 4 | Yosemite National Park | 🇺🇸 United States |