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 Yellow-legged Gull – 20170812
5CY Herring Gull Green YBMD – 20170710
(Presumed) Hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YCMP – 2017
(Presumed) Hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YCLD – 2017
1CY Lesser black-backed Gull Green YCKN – plumage development 2017

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Studying bill and eye characteristics in European Herring Gulls
1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
Adult Lesser Black-backed Gull Green YBJB with black on all primaries - 20170508
1CY Caspian Gull White 062:U - 20141012
(Presumed) Hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YCLD - 2017
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field

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