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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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|5 1CY, May & September 2020, the Netherlands & Portugal. Picture: Merijn Loeve, Rui Viana & Helder Cardoso.

Black bar tibia ring n[F|5], 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].

Caspian Gull cachinnans F|5 1CY, September 19 2020, Quebrado - Peniche, Portugal. Picture: Rui Viana.

Caspian Gull cachinnans F|5 1CY, September 03 2020, Praia do Molhe Leste - Peniche, Portugal. Picture: Helder Cardoso.

below: Caspian Gull cachinnans F|5 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.