IJmuiden Project - Fred Cottaar ringing team

(last update: January 01, 2023)

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Y.AMS
NLA x.xxx.xxx
Lesser B-backed Gull
sex?, pullus
ringed: July 05 2010
Forteiland IJmuiden, -
 
Relations:
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Lesser Black-backed Gull (graellsii) Y.AMS 4CY, June 22 2013, Noordwijk, the Netherlands. Picture Maarten van Kleinwee.

Ringed as pullus in season 2010 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

below: Lesser Black-backed Gull (graellsii) Y.AMS 4CY, June 22 2013, Noordwijk, the Netherlands. Picture Maarten van Kleinwee.

Adult-like flight feathers but still with many immature patterned feathers. Mirror on P10. Note greater primary coverts with brown centres.