A dark brown animal climbing a tree branch.

Rare Book Division, The New York Public Library. "Mustela Canadensis, Pennant's Marten, or Fisher. Natural size. Male." The New York Public Library Digital Collections. 1845 - 1848. https://digitalcollections.nypl.org/items/510d47da-7819-a3d9-e040-e00a18064a99