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rated only as fair. • The surveys are conducted by the U.S. Fish and Wildlife Service and Canadian Wildlife Services' Waterfowl Breeding Population and Habitat Survey, sampling more than 2 million square miles of waterfowl habitat across Alaska, the north-central and northeastern United States and south-central, eastern and northern Canada. Information is not included from surveys conducted by state or provincial agencies. • The annual survey guides the Service's waterfowl conservation programs under authority of the 1918 Migratory Bird Treaty Act. The Service works in partnership with state biologists from the four flyways - the Atlantic, Mississippi, Central and Pacific - to establish regulatory frameworks for waterfowl hunting season lengths, dates and bag limits. • For more information about the surveyed areas, the survey methodology and the estimates, the Trends Report in Duck Breeding Populations, 1955-2013 report can be downloaded from the Service's Web site at < http://www.fws.gov/migratorybirds/
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