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This publication contains procedures used by the U.S. Fish and Wildlife Service to determine the species, sex and age composition of the harvest of North American ducks using detached wings contributed by hunters.
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species-age-and-sex-identification-of-ducks-using-wing-plumage_0.pdf10.62 MB | 10.62 MB |
Samuel M. Carney
Publication date
Type of document
Protocol
Program
Species