Common Garter Snake
Thamnophis sirtalis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusThamnophis (Garter Snakes)
- SpeciesThamnophis sirtalis (Common Garter Snake)
Closest Relatives at Big Cypress National Preserve
Ribbon Snake
Thamnophis saurita
Banded Water Snake
Nerodia fasciata
Brown Watersnake
Nerodia taxispilota
Scarletsnake
Cemophora coccinea
Florida Green Watersnake
Nerodia floridana
North American Racer
Coluber constrictor
Corn Snake
Pantherophis guttatus
Mudsnake
Farancia abacura
Striped Crayfish Snake
Liodytes alleni
Florida Brownsnake
Storeria victa
Ringneck Snake
Diadophis punctatus
Common Kingsnake
Lampropeltis getula
📅 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
Quick answers
What are the chances of seeing a Common Garter Snake in Big Cypress National Preserve?
About 24% of visitor-days record a Common Garter Snake sighting in Big Cypress National Preserve, based on 36 observer-days of citizen-science data from GBIF.
When is the best time to see Common Garter Snake in Big Cypress National Preserve?
September has the highest sighting rate for Common Garter Snake in Big Cypress National Preserve in our monthly data.