Species, age, and sex identification of ducks using wing plumage
By: by Samuel M. Carney.
Contributors: U.S. Fish and Wildlife Service.
Publisher: U.S. Dept. of the Interior, U.S. Fish and Wildlife Service
Published: 1992
Place of publication: Washington, D.C
Language: eng
Number of pages: 144
Subjects: Ducks -- Identification.; Ducks -- Age determination.; Ducks -- Sexing.
Notes: Item 0612
Shipping list no.: 92-0624-P.
S/N 024-010-00695-1 (GPO)