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

(last update: January 01, 2023)

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Y.CDN
NLA 6.181.980
Herring Gull
sex?, pullus
ringed: July 01 2016
Forteiland IJmuiden, -
 
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Herring Gull (argenteusY.CDN 1CY-2CY, August 2016, May & June 2017, Katwijk & Heemskerk, the Netherlands. Picture: Mars Muusse.

Ringed as pullus in breeding season 2016 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

below: Herring Gull (argenteusY.CDN 2CY, June 02 2017, Heemskerk, the Netherlands. Picture: Mars Muusse.

below: Herring Gull (argenteusY.CDN 2CY, May 29 2017, Heemskerk, the Netherlands. Picture: Mars Muusse.

Bird in complete moult.

below: Herring Gull (argenteusY.CDN 1CY, August 21 2016, Katwijk, the Netherlands. Picture: Mars Muusse.

Still juvenile plumage.