|datum||5 november 2004|
|gemeente||Gooise Meren (FL)|
|coördinaten||N 52.35308 O 5.0973|
|aantal, kleed||1, eerste-winter mannetje|
|status||Aanvaard, gepubliceerd in jaarverslag CDNA|
|waarnemer(s)||R.F.J. van Beusekom, L.B. Steijn, L. Boon et al|
|opmerkingen||5 November, IJmeerdijk, Almere, Flevoland, and 5-19 November, IJmeer, Muiden, Noord-Holland, first-winter male, photographed (R F J van Beusekom, L B Steijn, L Boon et al), 2005 20 November 2004 to 2 May, Gaatkensplas, Barendrecht, Zuid-Holland). Although Bufflehead is not uncommon in captivity with, eg, an estimated 1000 individuals in the Netherlands alone in 2003 (Jan Hartman pers comm), timing, behaviour, location and plumage of the bird involved in these sightings showed no anomalies suggesting captive origin. The CDNA decided to accept all these observations as referring to one wandering individual, because there was no overlap in timing at the various locations (on 2 May, the bird was last seen at Barendrecht in the morning and first seen at Ezumakeeg in the evening, c 200 km to the north-east, so direct proof for the presence of a second bird is not available). It returned the following winters. Annual Report 2006.|
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