Two-striped Garter Snake
Thamnophis hammondii
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusThamnophis (Garter Snakes)
- SpeciesThamnophis hammondii (Two-striped Garter Snake)
Closest Relatives at Channel Islands National Park
Common Garter Snake
Thamnophis sirtalis
Western Terrestrial Garter Snake
Thamnophis elegans
Gopher Snake
Pituophis catenifer
Striped Racer
Masticophis lateralis
Ringneck Snake
Diadophis punctatus
Coachwhip
Masticophis flagellum
California King Snake
Lampropeltis californiae
California Mountain Kingsnake
Lampropeltis zonata
North American Racer
Coluber constrictor
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · 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 | Channel Islands National Park | 🇺🇸 United States | |
| 2 | Joshua Tree National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Two-striped Garter Snake in Channel Islands National Park?
About 6% of visitor-days record a Two-striped Garter Snake sighting in Channel Islands National Park, based on 11 observer-days of citizen-science data from GBIF.
When is the best time to see Two-striped Garter Snake in Channel Islands National Park?
May has the highest sighting rate for Two-striped Garter Snake in Channel Islands National Park in our monthly data.