The Snakes of Ontario

All the species, (and sub-species) of Snakes (Suborder serpentes) that can be found natively in Ontario. Timber Rattlesnakes were also once native to Ontario, however they became extirpated from the province in the early 1960s.

All 16

Gray Ratsnake ¹
Pantherophis spiloides

Northern Ribbon Snake ²
Thamnophis saurita septentrionalis

Blue Racer ³
Coluber constrictor foxii

Eastern Hognose Snake ⁴
Heterodon platirhinos

Butler's Garter Snake ²
Thamnophis butleri

Queensnake ⁵
Regina septemvittata

Eastern Foxsnake ²
Pantherophis vulpinus

Massasauga ⁶
Sistrurus catenatus

Dekay's Brownsnake ⁷
Storeria dekayi

Eastern Milksnake ⁸
Lampropeltis triangulum

Northern Ringneck Snake ⁹
Diadophis punctatus edwardsii

Smooth Greensnake ¹⁰
Opheodrys vernalis

Northern Watersnake ¹¹
Nerodia sipedon sipedon

Eastern Garter Snake ¹²
Thamnophis sirtalis sirtalis

Northern Redbelly Snake ¹³
Storeria occipitomaculata occipitomaculata

Red-sided Garter Snake ¹⁴
Thamnophis sirtalis parietalis

Edited by Daniel Carver, some rights reserved (CC BY-SA)

Photo Credits

1. (c) Diana-Terry Hibbitts, some rights reserved (CC BY-NC), uploaded by Diana-Terry Hibbitts
2. (c) Josh Vandermeulen, some rights reserved (CC BY-NC-ND), uploaded by Josh Vandermeulen
3. (c) Jon Fife, some rights reserved (CC BY-SA)
4. (c) Andrew DuBois, some rights reserved (CC BY-NC)
5. (c) Helen A. Czech, some rights reserved (CC BY-NC), uploaded by Helen A. Czech
6. (c) Andrew Hoffman, some rights reserved (CC BY-NC-ND)
7. (c) johnwilliams, some rights reserved (CC BY-NC), uploaded by johnwilliams
8. (c) Todd Pierson, some rights reserved (CC BY-NC-SA)
9. (c) urbanwoods, some rights reserved (CC BY-NC)
10. (c) Justin Lee, some rights reserved (CC BY-NC), uploaded by Justin Lee
11. (c) mrdorkesq, some rights reserved (CC BY-SA)
12. (c) Mike Leveille, some rights reserved (CC BY-NC), uploaded by Mike Leveille
13. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker

The Snakes of Ontario

Gray Ratsnake 1 Pantherophis spiloides

Northern Ribbon Snake 2 Thamnophis saurita septentrionalis

Blue Racer 3 Coluber constrictor foxii

Eastern Hognose Snake 4 Heterodon platirhinos

Butler's Garter Snake 2 Thamnophis butleri

Queensnake 5 Regina septemvittata

Eastern Foxsnake 2 Pantherophis vulpinus

Massasauga 6 Sistrurus catenatus

Dekay's Brownsnake 7 Storeria dekayi

Eastern Milksnake 8 Lampropeltis triangulum

Northern Ringneck Snake 9 Diadophis punctatus edwardsii

Smooth Greensnake 10 Opheodrys vernalis

Northern Watersnake 11 Nerodia sipedon sipedon

Eastern Garter Snake 12 Thamnophis sirtalis sirtalis

Northern Redbelly Snake 13 Storeria occipitomaculata occipitomaculata

Red-sided Garter Snake 14 Thamnophis sirtalis parietalis