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

(last update: January 01, 2023)

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Y.DRX
NLA 5.623.246
Lesser B-backed Gull
sex?, pullus
ringed: June 26 2023
Forteiland IJmuiden, Duintjes oost
 
Relations:
mother unringed
father unringed
sibling 2x unringed
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Lesser Black-backed Gull (graellsiiY.DRX 1CY, June - July 2023, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar & Mars Muusse.

Ringed as pullus in season 2023 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.

Ringed as chick, ''BLONDY 2023'', as it has leusistic plumage.
Nonetheless, it has two unringed normal coloured sibling, and also the parents have normal coloured plumage.

below: Lesser Black-backed Gull (graellsiiY.DRX 1CY, July 03 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.

Found dead on path. Died recently: primaries show growth since last week.
Several chicks (10-15) predated in this section corner of the colony, including two chicks we followed (with rings). Much pressure on chicks here.

below: Lesser Black-backed Gull (graellsiiY.DRX 1CY, June 26 2023, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.

below: Lesser Black-backed Gull (graellsiiY.DRX 1CY, June 26 2023, IJmuiden, the Netherlands. Picture: José Verbeek-Cottaar.