Effects of weather on breeding ducks in North Dakota
By: by Merrill C. Hammond, Douglas H. Johnson.
Contributors: Johnson, Douglas H.
Series: Fish and wildlife technical report ;; no. 1
Publisher: U.S. Dept. of the Interior, Fish and Wildlife Service
Published: 1984
Place of publication: Washington, D.C
Language: eng
Number of pages: 17
Subjects: Ducks -- Reproduction -- Climatic factors.; Birds -- Reproduction -- Climatic factors.; Birds -- Reproduction -- Climatic factors -- North Dakota.
Notes: Bibliography: p. 16-17.