American black duck breeding habitat enhancement in the northeastern United States
Subtitle: a review and synthesis
By: by Ronald E. Kirby.
Series: Biological report ;; 88(4); Biological report (Washington, D.C.) ;; 88-4.
Publisher: Fish and Wildlife Service, U.S. Department of the Interior
Published: 1988
Place of publication: Washington, DC
Language: eng
Number of pages: 50
Subjects: Black duck -- Habitat -- Northeastern States.; Black duck -- Northeastern States -- Reproduction.; Wildlife habitat improvement -- Northeastern States.
Notes: Bibliography: p. 32-48.
"June 1988."