continent. Present distribution of the northern river otter extends from 25
degrees N. in Florida to beyond 70 degrees N. in Alaska, and from
eastern Newfoundland to the Aleutian Islands . Northern river otters have
been extirpated or are rare in Arizona, Colorado, Indiana, Iowa, Kansas,
Kentucky, Nebraska, New Mexico, North Dakota, Ohio, Oklahoma, South
Dakota, Tennessee, Utah, and West Virginia. They are still relatively
abundant along the coasts of the Atlantic Ocean and the Gulf of Mexico,
throughout the Pacific Northwest and Great Lakes states, and across most
of Canada and Alaska. Populations are listed as stable or increasing in
Alabama, Alaska, Arkansas, Connecticut, Delaware, Florida, Georgia,
Idaho, Louisiana, Maryland, Massachusetts, Michigan, Minnesota,
Mississippi, Montana, New Hampshire, New York, North Carolina, Oregon,
Rhode Island, Texas, Vermont, Washington, and Wisconsin .
- 4. Chapman, Joseph A.; Feldhamer, George A., eds. 1982. Wild mammals of North America. Baltimore, MD: The Johns Hopkins University Press. 1147 p. 
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