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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Caspian Gull cachinnans hybrid P:= 1CY, September 09 2026, Seaton Burn - Newcastle upon Tyne, England. Picture: Chris Barlow.

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

Tibia Y-P:= and metal 5.645.674, ringed as pullus Larus cachinnans on June 05 2026 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.

Head+bill: 98,7
Mass: 794,0

Recoveries:
09-09-2026 Seaton Burn (Big Waters), Newcastle upon Tyne, ENGELAND 5.503,16 N 138,46 W colourring read Chris Barlow

below: Caspian Gull cachinnans hybrid P:= 1CY, September 09 2026, Seaton Burn - Newcastle upon Tyne, England. Picture: Chris Barlow.

Notched tertials most obvious trait pointing to Herring Gull influences.