Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Project Info
International trend
National trend
Site characteristics
Breeding biology
Fecundity
Food resources
Nonbreeding season
Breeding species
Hybrid scores
Ring codes
Future

Lelystad 2020:
nest 001
nest 002 yPNED
nest 003
nest 005 yPLDP
nest 006 yPESV
nest 008 gXLDT
nest 009
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016
nest 017
nest 018
nest 021
nest 025
nest 027
nest 028
nest 029
nest 031
nest 032
nest 033
nest 034
nest 035
nest 036
nest 037
nest 038
nest 039
pair A
pair B

Caspian Gull cachinnans F|H 1CY-2CY, May 2020 & October 2021, Lelystad & Almere, the Netherlands. Picture: Merijn Loeve & Eric Roeland.

Blue bar tibia ring b[F|H], ringed as pullus Larus cachinnans on May 21 2020 at nest 38 in colony Lelystad, the Netherlands.
ID uncertain, one adult is Caspian Gull cachinnans. Female is cachinnans hybrid type, or with argenteus influences.

below: Caspian Gull cachinnans F|H 2CY, October 30 2021, Almere, the Netherlands. Picture: Eric Roeland.

Closely matching cachinnans, including some replaced tertials and some coverts.

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