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

(last update: January 01, 2023)

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Y.CTB
NLA 6.203.207
Herring Gull
sex?, pullus
ringed: July 09 2018
Forteiland IJmuiden, Puinhelling zuid
 
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Herring Gull (argenteusY.CTB 1CY & 3CY, August 2018 & October 2020, IJmuiden, the Netherlands. Picture: Mars Muusse.

Ringed as pullus in breeding season 2018 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

below: Herring Gull (argenteusY.CTB 3CY, October 09 2020, IJmuiden, the Netherlands. Picture: Mars Muusse.

below: Herring Gull (argenteusY.CTB 3CY, October 02 2020, IJmuiden, the Netherlands. Picture: Mars Muusse.

below: Herring Gull (argenteusY.CTB 1CY, August 28 2018, IJmuiden, the Netherlands. Picture: Mars Muusse.

Several 2nd gen like wing-coverts in inner half of the wing (e.g. GC6-8; but also in MC and LLC).