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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Caspian Gull cachinnans hybrid K.E adult, April 23 2021, De Kreupel - L, the Netherlands. Pictures: Merijn Loeve.

You can participate in this project too! Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl

Coordinator: Leon Kelder.
Ringers: Roland-Jan Buijs, Leon Kelder & Merijn Loeve.

date: egg no: width (mm): length (mm): volume (cm3):      comments:
23-4-2021 A 47.7 68.4       3 eggs. Location is Kreupel - L nest 3. One parent trapped at nest.
23-4-2021 B 49.3 72.4      
23-4-2021 C 48.2 67.9      

r[K.E] and metal NLA 6.211.440, probably hybrid Herring x Caspian Gull 4+CY male.
Wing: 448
Head + Bill: 119,2
Bill: 54,5
Bill height: 17,3
Kodak grey scale: 7
Weight: 840
Moult in primaries: P1-P10 old.