(Daniel Noon, NPS)
Several species of mammals depend upon the Saugus River as an important habitat and food source. The muskrat (Ondatra zibethica), raccoon (Procyon lotor), and river otter (Lutra canadensis) can be occasionally seen within the river and surrounding marshes.
Other mammals that have been observed within Saugus Iron Works include deer mice (Peromyscus maniculatus), striped skunks (Mephitis mephitis), mink (Mustela vison), and bats (Chiroptera).
Did You Know?
While walking around the Industrial Site you may see small holes that have been drilled into the wooden siding. Although these holes may look man-made, they are actually carved out by Eastern carpenter bees, which use them as a safe place to lay their eggs. You may also come across long, drilled out lines in the wood, a sign that woodpeckers have been searching for the carpenter bee larva.