Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: November 2014

Caspian Gulls somewhere on the North Sea – 20141123

November 24, 2014 larus cachinanns adult larus cachinnans larus cachinnans 3cy Leave a comment

Site fidelity of Black-headed Gull White E5RE – 20141108

November 8, 2014 migration Leave a comment

Marked Birds Database update – a new approach

November 4, 2014 Filemaker Pro Marked Bird Database marked database programming Leave a comment

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1CY Caspian Gull Red HHT0 – 20191110
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Marked Birds Database – what’s coming up?
Marked Birds Database – Version 2.5.0 available
Marked Birds Database Manual – Working with bird relations

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1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Reading ringed Lesser Black-backed Gulls in Morocco - January 2017
Announcing the release of the Marked Birds Database
Suspended primary moult in adult European Herring Gulls Larus argentatus argenteus of the Dutch colony of IJmuiden Forteiland
Mixed breeding pair Herring Gull x Lesser Black-backed Gull in IJmuiden 2017
2CY Iceland Gull and Glaucous Gull - 20170115
IJmuiden Herring Gulls at Blaringhem landfill, France - October 2016
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field

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