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![In Canada, the blue racer is only found on Pelee Island (Photo by Ron Gould/OMNR)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/blue-racer-ontario-ron-gould-omnr-slide.jpg)
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Blue racer, Pelee Island, Ontario (Photo by Ron Gould/OMNR)
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![The northern brownsnake is primarily nocturnal and grows up to 50 cm (Photo by Mike VanValen)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/northern-brownsnake-ontario-mike-vanvalen-slide.jpg)
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Northern brownsnake (Photo by Mike VanValen)
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![Eastern foxsnakes can both swim and climb trees (Photo by Ryan M. Bolton)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/eastern-foxsnake-ontario-ryan-m-bolton-slide.jpg)
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Eastern foxsnake, Ontario (Photo by Ryan M. Bolton)
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![The red-bellied snake is primarily nocturnal, living along forest edges (Photo by Ryan M. Bolton)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/red-bellied-snake-ontario-ryan-m-bolton-slide.jpg)
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Red-bellied snake, Ontario (Photo by Ryan M. Bolton)
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![Northern watersnakes are excellent swimmers; the Lake Erie watersnake is a subspecies of the northern (Photo by NCC)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/northern-watersnake-northern-bruce-peninsula-ontario-ncc-slide.jpg)
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Northern watersnake, Northern Bruce Peninsula, Ontario (Photo by NCC)
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![The common gartersnake is the most widely distributed reptile in Canada (Photo by NCC)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/common-garternake-manitoulin-ontario-ncc-slide.jpg)
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Common gartersnake, Manitoulin Island, Ontario (Photo by NCC)
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![In Canada, Butler's gartersnake is found only in Ontario; it is easily confused with the common gartersnake and northern ribbonsnake (Photo by Dan Mullen)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/butlers-gartersnake-ontario-dan-mullen-slide.jpg)
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Butler's gartersnake (Photo by Dan Mullen)
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![The northern ribbonsnake can be differentiated from the gartersnakes by the white spot in front of its eye (Photo by Jon Fife)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/northern-ribbonsnake-ontario-jon-fife-slide.jpg)
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Northern ribbonsnake (Photo by Jon Fife)
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![The red-sided gartersnake is considered a subspecies of the common gartersnake (Photo by Ben Lowe)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/red-sided-gartersnake-ontario-ben-lowe-slide.jpg)
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Red-sided gartersnake (Photo by Ben Lowe)
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![The harmless eastern hog-nosed snake will mimic cobras and rattlesnakes to ward off threats (Photo by Ben Lowe)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/eastern-hog-nosed-snake-ontario-ben-lowe-slide.jpg)
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Eastern hog-nosed snake (Photo by Ben Lowe)
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![The eastern hog-nosed snake even goes so far as to play dead when threatened, putting on a whole show of writhing before rolling over (Photo by Natalie McNear)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/eastern-hog-nosed-snake-playing-dead-ontario-natalie-mcnear-slide.jpg)
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An eastern hog-nosed snake playing dead (Photo by Natalie McNear)
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![Queen snakes are usually found near streams where their food of choice - crayfish - can be easily found (Photo by Joe Crowley/OMNR)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/queen-snake-ontario-joe-crowley-omnr-slide.JPG)
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Queen snake, Ontario (Photo by Joe Crowley/OMNR)
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![The smooth greensnake is excellently camouflaged among shrubs and grasses (Photo by NCC)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/smooth-greensnake-manitoulin-ontario-ncc-slide.jpg)
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Smooth greensnake, Manitoulin Island, Ontario (Photo by NCC)
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![The gray ratsnake is Canada's largest snake and spends a lot of time high up in trees (Photo by Ryan M. Bolton)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/gray-ratsnake-ontario-ryan-m-bolton-slide.jpg)
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Gray ratsnake, Ontario (Photo by Ryan M. Bolton)
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![The ring-necked snake is primarily nocturnal and feeds largely on redback salamanders (Photo by Ben Lowe)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/ring-necked-snake-ontario-ben-lowe-slide.jpg)
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Ring-necked snake (Photo by Ben Lowe)
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![Distinguishable by its rattle, the eastern massasauga is Ontario's only venemous snake but is generally not aggressive (Photo by Ryan M. Bolton)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/eastern-massasauga-ontario-ryan-m-bolton-slide.jpg)
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Eastern massassauga, Ontario (Photo by Ryan M. Bolton)
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![The milksnake is a constrictor though it likes to vibrate its tail like a rattlesnake when threatened (Photo by Ryan M. Bolton)](https://www.natureconservancy.ca/assets/images/galleries/on/snakes-of-ontario/milksnake-ontario-ryan-m-bolton-slide.jpg)
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Milksnake, Ontario (Photo by Ryan M. Bolton)