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Aves, 46/3 | 2009 | 97-111

  Results of the winter censuses of waterbirds in Wallonie and Brussels area (Belgium) in 2008-2009
Loly P., Paquet, J.-Y., Jacob, J.-P. & Leunen, S.

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Article summary

Winter 2008-2009 was significantly colder than the previous ones, especially in January. During this month, although the total number of waterbirds was comparable to 2008, the coldness explains the scarcity of many species. But the numbers of some species were close to their mean or a little bit higher (Gadwall, Common Pochard, Coot, Caspian and Herring Gulls). Two exotic species progress, however: Canada Goose, and in Brussels, Magellan Goose. On the other hand, decline of Great Cormoran, initiated in 2003-2004, continues. As January’s coldness has mainly been felt in our latitudes, there was no apparent influx of wintering birds of Nordic origin.

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