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FY 2009 Interim Result of the 41th Annual Census on Waterfowl (Anatidae) Population

April 30, 2010

The Annual Census on Waterfowl (Anatidae) Population is the nationwide census of winter Anatidae population in Japan. It has been executed every January since 1970 in cooperation with all prefectures with the participation of about 4,000 people. In FY 2009, the census was executed mainly on the 10th of January 2010 at ca. 9,000 sites all over the country.
The interim results are as follows: ca. 68,000 swans, 173,000 geese and 1,727,000 ducks were observed in Japan. While there were no specific changes in the total number of waterfowls (Anatidae) observed in the last decade, the numbers of geese, coming in waves, have demonstrated an upward trend in the long term.

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