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Résumé :
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This note describes the first successful breeding of Great Cormorant in the wallonian part of the Meuse River valley. In May 2003, two nests were discovered in a large poplar tree in a river island at Namur (50 degrees 26'N, 4 degrees 51'E - Belgium). One of the pair managed to raise 4 fledglings, while the other failed. This first breeding case in this important area for wintering Cormorant fits well with the usual pattern of new Cormorant colony settlement the place is very quiet and safe, is used since 1994 by a major wintering roost and is one of the few wintering roost where a Grey Heron colony is found.
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