NCC: Gray ratsnake
Native to North America, the non-venomous gray ratsnake is the largest snake in Canada, reaching approximately 190 centimetres in length.
NCC: Land Lines From the archives: Stories to step up your snake savviness
Eastern milksnake (Lampropeltis triangulum): management plan 2015
Eastern milksnake (Lampropeltis triangulum): management plan 2015
NCC: Land Lines From the archives: Stories to step up your snake savviness
Eastern milksnake (Lampropeltis triangulum): management plan 2015
Key piece of land in Frontenac County now protected by Nature Conservancy of Canada - Capital Current
What kind of snake is a red-bellied black snake? - Quora
NCC: Land Lines 15 fun facts about Canadian snakes
Common Five-lined Skink (Carolinian and Southern Shield), Five-year review of progress towards the protection and recovery of Ontario's species at risk - 2016
Live snake hi-res stock photography and images - Alamy
Conservation Lands Partnership - Leeds-Grenville Stewardship Council
NCC: Land Lines 15 fun facts about Canadian snakes
34 Types of SNAKES That Live in North Carolina! (ID Guide) - Bird Watching HQ