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

(last update: January 01, 2023)

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Y.FCM
NLA 5.633.258
Lesser B-backed Gull
sex?, pullus
ringed: July 08 2024
Forteiland IJmuiden, Noordvlak
 
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Lesser Black-backed Gull (graellsiiY.FCM 1CY, July 2024, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

Ringed as pullus in breeding season 2024 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

below: Lesser Black-backed Gull (graellsiiY.FCM 1CY, July 08 2024, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

Metal ringed NLA 5.633.258 on May 31 2024 (age is 2 days +/- 1 day), still a very small chick in Herring Gull nest g-YDBX. G-Y.FCM added on July 08 (age is 40 days +/- 1 day).
Mass=816, H+B=102.0, wing=305.
As metal ringed bird, believed to be part of the YDBX family, hence a Herring Gull. When controlled on July 8th, plumage more in line with Lesser Black-backed Gull, albeit with pale spots on outer webs. To be confirmed.