Ontario
Snakes in Niagara
8 species have been documented here, 1 of them venomous.
Venomous snakes in Niagara
Full guide & what to do if bitten →
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Niagara
Common Garter Snake
Thamnophis sirtalis
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Niagara: FAQ
- Are there venomous snakes in Niagara, Ontario?
- Yes. 1 venomous snake species has verified records in Niagara, Ontario, including Eastern Massasauga. Most snakes in Niagara, Ontario, however, are harmless.
- How many snake species live in Niagara, Ontario?
- 8 snake species have verified records in Niagara, Ontario, of which 1 is venomous.
- What is the most commonly seen snake in Niagara, Ontario?
- The Common Garter Snake is the most frequently reported snake in Niagara, Ontario, based on verified wildlife observations.
- What should I do if I see a venomous snake in Niagara, Ontario?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.