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

(last update: January 01, 2023)

Herring Gull (argenteus) NLA 5.623.242 1CY, August 29 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.

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

History for adult Herring Gulls YCKP & YBAU. Nestbox placed close to nest for shelter of chicks. Timeline for this chick:

June 26 2023:
Ring 5.623.240 + g-YDRC. Offspring YBAU & YCKP? Yes, confirmed by previous alu-ring.
Ring 5.623.241 + g-YDRU. Offspring YBAU & YCKP? Yes, confirmed by previous alu-ring.
Metal ring NLA 5.623.242, no darvic ring for this unringed small chick that hided in the nest box. Origin uncertain, may belong to this nest, but not excluded this is "a free running chick that found a place to hide".

July 10 2023:
g-YDRC, g-YDRU and metal ringerd bird present. Metal ringed bird is smallest.
g-YBAU & g-YCKP parents also present.

July 17 2023:
Metal ring NLA 5.623.242 near waterline, present with father g-YCKP.

In retrospect: confirmation this chick has parents g-YBAU & g-YCKP.

below: Herring Gull (argenteus) NLA 5.623.242 1CY, August 29 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.

Easy on bread in flock of 100 birds, many juveniles.