State Mammal List Information and History
The first formal list of Massachusetts mammals was prepared by Edward Hitchcock in 1835 (Catalogues of Animals and Plants, A Report on the Geology, Mineralogy, Botany, and Zoology of Massachusetts, pages 525-652, J.S. & C. Adams, Amherst, Mass.).
Hitchcock recognized 45 mammal "species"; however, his list included one fish (the swordfish) and three mammals now recognized as subspecies, leaving 41 species as now known. The present list recognizes 104 species. Read more