Waterfowl Status ReportU.S. Department of the Interior, Fish and Wildlife Service, 1956 - Birds |
Common terms and phrases
16 Ducks 1956 Percent Change Alaska Atlantic Flyway Baldpate birds Black Duck Blue-winged Teal Brant breeding areas breeding ground surveys Breeding Pairs Breeding Population Indices brood survey Bufflehead Canada Goose Canvasback census Central Flyway Cinnamon Teal compared to individual Coot count Dakota decrease duck broods Ducks Per Square estimated fall flight flight of ducks flooded Gadwall Geese Goldeneye Green-winged Teal Hi-Line Hunter Mail Survey July Lake level and compared lone males Mallard Manitoba Marsh Merganser Mississippi Flyway Nesting effort normal Number of Broods Pacific Flyway percent above 1950 percent below 1954 Pintail Potential Later Broods Prairie Production Indices Redhead Reservoir Ringneck River Ruddy Duck sample Scaup Scoter Seasonal Kill Shoveler Snow Goose Southern Manitoba Southern Saskatchewan Species Composition spring square mile Stratum Swan Table Total Broods Total Ducks transects water areas Water Conditions water levels waterfowl breeding Waterfowl Hunter Mail Waterfowl Population waterfowl production Weather and Water Wood Duck