Aquatic Garter Snake
Thamnophis atratus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusThamnophis (Garter Snakes)
- SpeciesThamnophis atratus (Aquatic Garter Snake)
Closest Relatives at Redwood National Park
Common Garter Snake
Thamnophis sirtalis
Western Terrestrial Garter Snake
Thamnophis elegans
Northwestern Garter Snake
Thamnophis ordinoides
Gopher Snake
Pituophis catenifer
Ringneck Snake
Diadophis punctatus
North American Racer
Coluber constrictor
California Mountain Kingsnake
Lampropeltis zonata
California King Snake
Lampropeltis californiae
📅 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 | Redwood National Park | 🇺🇸 United States |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Aquatic Garter Snake in Redwood National Park?
About 21% of visitor-days record a Aquatic Garter Snake sighting in Redwood National Park, based on 37 observer-days of citizen-science data from GBIF.
When is the best time to see Aquatic Garter Snake in Redwood National Park?
August has the highest sighting rate for Aquatic Garter Snake in Redwood National Park in our monthly data.