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Trumpeter swan numbers soar - from zero to 4,700 in a generation

WI DNR RSS Feed

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2015 estimates six times higher - than last aerial survey - - MADISON -- The number of trumpeter swans in Wisconsin has zoomed from zero to nearly 4,700 a generation after the Department of Natural Resources and partners launched recovery efforts, national surveys results show. - - Wisconsin's trumpeter swan recovery program has been a great success and numbers of the beautiful bird continue to grow. Photo Credit: Ryan Brady - - Population estimates from aerial surveys of interior North America peg Wisconsin's number of adult and "sub-adult" trumpeter swans at 4,695 birds in 2015, more than six times as many as the 672 estimated during the last survey five years ago, and up from 24 in 1990.

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