Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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Caspian Gull cachinnans F|6 1CY-4CY, May 2020 - July 2023, Lelystad-Almere, the Netherlands. Picture: Merijn Loeve, Thijs Horst, Mars Muusse & Eric Roeland.

Black bar tibia ring n[F|6] and metal ring Arnhem NLA 5.552.917, ringed as pullus Larus cachinnans on May 21 2020 at nest 033 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs.

Recoveries:
27-07-2021 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Eric Roeland
19-04-2022 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Mars Muusse
07-01-2023 London (Tripcock Ness), Greater London, ENGELAND 5.130,00 N 8,00 E colourring read Lauren Evans
26-03-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
04-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
05-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
09-04-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
03-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
13-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst

ID certain, both Caspian Gull cachinnans, one parent has sub-adult patterns in wing.
date: egg no: width (mm) length (mm) volume (cm3):  pulli:  
07-05-2020 A       wet chick - 1 day old. 1 egg & 2 chicks in the nest, both partners cachinnans.
07-05-2020 B       chick - 3 days old.  
07-05-2020 C       hatching egg - tiny hole.
             
21-05-2020 pulli     Nest empty, two chicks found, ringed n[F|5] & n[F|6].

below: Caspian Gull cachinnans F|6 4CY,July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.

Deceased, after summer storm 'Poly'.

below: Caspian Gull cachinnans F|6 4CY,June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans F|6 4CY,June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.

First image: unringed partner in 2023.

below: Caspian Gull cachinnans F|6 4CY, April 09 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Breeding at Lelystad colony in 2023: 3 chicks ringed in this nest.

below: Caspian Gull cachinnans F|6 4CY, April 04 2023, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans F|6 3CY, April 11 2022, Lelystad colony, the Netherlands. Picture: Mars Muusse.

below: Caspian Gull cachinnans F|6 2CY, July 27 2021, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans F|6 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.