Food of the Woodpeckers of the United States (Classic Reprint) F. E. L. Beal

Excerpt from Food of the Woodpeckers of the United States

Sir: I have the honor to transmit herewith for publication as Bulletin No. 37 of the Biological Survey, a report on the Food of the Woodpeckers of the United States, by F. E. L. Beal, Это и многое другое вы найдете в книге Food of the Woodpeckers of the United States (Classic Reprint) (F. E. L. Beal)