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Snakes


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Massasauga Rattlesnake


Sistrurus catenatus

  •  Ontario's only venomous snake
  • 47.2-76cm; record 100.3cm
  • grey to brownish grey with darker blotches along back and several rows of alternating blotches along sides; blotches edges in white
  • black snakes with no pattern, very rare
  • pit on each side of head between eye and nostril
  • distinct segmented rattle
  • tail thick, squarish; does not taper to a point like all others
  • Does not always rattle a warning; relies on pattern and remaining motionless to go undetected
  • heavy bodied; often found coiled
  • belly black
  • scales keeled; anal scale single
  • gives birth to live young.
  • THREATENED


WORKING TOGETHER TO SAVE THE EASTERN MASSASAUGA RATTLESNAKE