This is one print from a set of modern reproductions of Audubon's original watercolor paintings owned by the New York Historical Society. The set is number 380 out of a limited edition of 750 sets. The prints are numbered according to their own system. These are contained in a two drawer, walnut cabinet with brass pulls. This print has two plates, plate 308, titled "Rock Ptarmigan" and "White-Tailed Ptarmigan," and plate 309, titled "Trudeau's Tern" and "Forster's Tern." Each print depicts a pair of birds with unfinished backgrounds. The copyright information lists the New York Historical Society at the bottom right edge of the image.