North American breeding bird survey
Subtitle: annual summary, 1988
By: by Sam Droege and John R. Sauer.
Contributors: Sauer, John R.; U.S. Fish and Wildlife Service. Office of Migratory Bird Management.
Series: Biological report -- 89(13); Biological report (Washington, D.C.) -- 89-13.
Publisher: U.S. Dept. of the Interior, Fish and Wildlife Service; N.T.I.S. [distributor]
Published: 1989
Place of publication: Washington, DC; Springfield, VA
Language: eng
Number of pages: 16
Subjects: Bird populations -- United States.; Bird populations -- Canada.; Birds -- United States -- Geographical distribution.; Birds -- Canada -- Geographical distribution.
Notes: "Performing organization ... U.S. Fish and Wildlife Service, Office of Migratory Bird Management"--Rept. doc. p.

"June 1989."

Includes bibliographical references (p. 8).