F.B. Lee P.C. Shelton K.T. Gilbert L.W. Krefting 1966 This report constitutes an annotated list of 197 species of birds reported from Isle Royale National Park, a 210-square-mile archipelago in northwestern Lake Superior including some 200 islets and rock outcrops. The island is 45 miles long and 8 miles wide at its widest point. Bird distribution and habitats are described, along with geography and vegetation; 62 species are known to have bred at least once, 26 are thought to be breeders, and the rest are migrants. application/pdf en U.S. Fish and Wildlife Service Birds of Isle Royale in Lake Superior reports