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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4CY Presumed hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YBWP – 20180409
Marked Birds Database update: plans for the coming months
Marked Birds Database – Version 1.16.1 available
Status update on the presence of pseudo-mirrors and non-isolated mirrors in IJmuiden-ringed adult European Herring Gulls
Status update over de aanwezigheid van pseudo-spiegels en grijze inkepingen bij adulte Zilvermeeuwen van IJmuiden Forteiland

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Gull watching in the southern Lake Michigan region (USA) - 201402
4CY Presumed hybrid Lesser Black-backed Gull x Yellow-legged Gull Green YBWP - 20180409
Adult Herring Gulls regurgitating food for 1st-winter gulls - 20140308
Scandinavian Herring Gull White KH89
Deciphering the black mark on P9 of Black-headed Gulls
Gull behavior explained: Choking
Presumed hybrid Lesser Black-backed Gull x European Herring Gull – 20130810
IJmuiden - 20130811
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