The Minnesota Department of Natural Resources and The Smithsonian National Zoological Park offer mammal indexes on their respective websites. An alphabetized list of mammals is also available at A-Z-Animals.com. Click the Animals tab at the top of the home page, select Group, and scroll down to the Mammalia heading.
Access the Minnesota mammal list at Dnr.State.MN.us by clicking the A-Z List link near the top right of the home page. Click M and select Mammals of Minnesota. The Smithsonian mammal list is available at NationalZoo.Si.edu by entering the word "mammal" into the search box at the top right of the home page, and then selecting Mammals National Zoo from the search results.