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

(last update: January 01, 2023)

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Y.DNR
NLA 6.213.651
Herring Gull
male, adult
ringed: May 15 2023
Forteiland IJmuiden, Duintjes oost
 
Relations:
Y.CVF female LBBG (!!!), partner 2023
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Herring Gull (argenteusY.DNR adult, May 15 2023, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

Ringed as breeding adult in season 2023 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
Male g[Y.DNR] from mixed breeding pair; female is LBBG g[Y.CVF].
YCVF is originally from Belgium (pullus 2005) and was involved in a mixed couple in previous years (2018, 19 & 20), maybe with this very same Herring Gull (now YDNR,
but unringed by the time, and unfortunately no open-wing pictures available from that time)? This Herring Gull YDNR has an "almost thayeri pattern" on P10.

below: Herring Gull (argenteusY.DNR >4CY, May 15 2023, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

Trapped on 3 egg clutch. Had 3 chicks for a while, then 2, which were predated. Failed season.