Food of the woodpeckers of the United States
By: by F.E.L. Beal.
Series: Bulletin / United States. Bureau of Biological Survey -- no. 37.; Bulletin (United States. Bureau of Biological Survey) -- no. 37.
Publisher: Government printing office
Published: 1911
Place of publication: Washington, D.C
Language: eng
Number of pages: 64
Subjects: Woodpeckers.; Beneficial birds.