Waterfowl hunting management in North America.
Estimated abundance of scaup (A. affinis and A. marila combined) was 4.2 ± 0.2 million, which was similar to that of 2009 and 16% below the long-term average of 5.1 ± 0.05 million.
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Produced by the U.S. Fish and Wildlife Service in collaboration with flyway and state waterfowl managers.Partner Login