Butler’s gartersnakes, listed as endangered in Ontario, feed on leeches and worms near wetlands: www.ontarionature.org/protect/campaigns/butlers_gartersnake.php.
Photo credit: Alan Wolf
The eastern hog-nosed snake – named for its flat, upturned nose – is threatened as a result of habitat loss and human persecution. Though it mimics rattlesnakes by shaking its tail, flattening its neck and hissing, the eastern hog-nosed snake is not dangerous to humans.
Photo credit: Coastlander