There are 7 orders, 17 families, 40 genera, and 60 species represented among the mammals of New England. If extirpated, coastal, introduced, and accidental species are included these numbers increase to 8 orders, 26 families, 67 genera, and 105 species. The region includes the U.S. states of Maine, New Hampshire, Vermont, Massachusetts, Connecticut, and Rhode Island. A comprehensive listing of all species found in the region follows.