Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse

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Herring Gull argenteus F.R 1CY-2CY, June 2021 - October 2022, Lelystad, Den Helder & Katwijk, the Netherlands. Picture: Mardik Leopold, Jeroen Nagtegaal & Mars Muusse.

Tibia R-FR and metal NLA 5.550.688, ringed as pullus Larus argentatus argenteus on 26-06-2021 at Lelystad (Bataviahaven), Flevoland (5230.00 N 525.00 E).
Ringer : Jeroen Nagtegaal.
Ringed about 400 meters west of T-split at dam 1. Brother/sister of r-F.P.

Recoveries:
23-02-2022 Den Helder (Haven), Noord-Holland, NL 5.257,00 N 446,00 E colourring read Mardik Leopold
28-04-2022 Den Helder (Balgzandpolder), Noord-Holland, NL 5.254,00 N 447,00 E colourring read Bob Loos
14-10-2022 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Thijs Horst
15-10-2022 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Thijs Horst & Mars Muusse
19-10-2022 Katwijk aan Zee (Strand), Zuid-Holland, NL 5.213,00 N 424,00 E colourring read Mars Muusse

below: Herring Gull argenteus F.R 2CY, October 19 2022, Katwijk aan Zee, the Netherlands. Picture: Mars Muusse.

Nice mirror on P10.

below: Herring Gull argenteus F.R 2CY, October 14 2022, Katwijk aan Zee, the Netherlands. Picture: Mars Muusse.

below: Herring Gull argenteus F.R 2CY, February 23 2022, Den Helder, the Netherlands. Picture: Mardik Leopold.

below: Herring Gull argenteus F.R 1CY, June 26 2021, Lelystad, the Netherlands. Picture: Jeroen Nagtegaal & Mars Muusse.

ID on inner primary pattern.