Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Caspian Gull cachinnans F|6 1CY-3CY, May 2020 - April 2022, Lelystad-Almere, the Netherlands. Picture: Merijn Loeve, Mars Muusse & Eric Roeland.

Black bar tibia ring n[F|6], ringed as pullus Larus cachinnans on May 21 2020 at nest 033 in colony Lelystad, the Netherlands.
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 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.