IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse

(last update: January 01, 2023)

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Y.BBW
NLA 5.426.718
Lesser B-backed Gull
female, adult
ringed: May 21 2012
Forteiland IJmuiden, Duintjes midden
 
Relations:
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Lesser Black-backed Gull (graellsiiY.BBW adult, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.

Ringed as breeding adult in season 2012 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

below: Lesser Black-backed Gull (graellsiiY.BBW >11CY, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.

Continental graellsii from this population are also referred to as 'Dutch intergrade', upperparts between medium grey British graellsii and dark grey Scandinavian intermedius.