Every January, Biologists-Pilots of the U.S. Fish & Wildlife Service in cooperation with State agencies conduct the Mid-winter Waterfowl Surveys. These surveys are designed to be a snapshot in time of ducks, geese, and swans wintering in concentrations in many States. Mid-winter survey provides population indices for most species of ducks and geese on wintering areas throughout the United States. Mid-winter surveys also provide the best population data available for some species, including Tundra Swans and Brant.
Posted on: Mon, 12 Jan 2015 22:56:46 +0000
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