Fox snake is the common name given to two species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of North American rat snakes. Neither is any threat to humans. Unfortunately, due to the striking resemblance to the Massasauga rattlesnake (which shares parts of its geographical range with the fox snake and is slightly venomous), it is killed by many people who mistake it for the Massasauga.

The eastern fox snake (Elaphe gloydi) is uncommon throughout its restricted range in Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Michigan

Michigan

Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....

 and Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

 where it is found only near Lakes Huron and Erie.