Preliminary keys to waterfowl age and sex identification by means of wing plumage
By: by Samuel M. Carney.
Series: Special scientific report--wildlife ;; no. 82
Publisher: U.S. Dept. of the Interior, Fish and Wildlife Service; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1984
Place of publication: Washington, D.C
Language: eng
Number of pages: 47
Subjects: Waterfowl -- Age determination; Waterfowl -- Sexing; Feathers; Wings; Birds -- Age determination; Birds -- Sexing
Other titles: Wing plumage.
Notes: "Reprinted December 1983."