Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: December 2013

1cy Iceland Gull – 20131229

December 29, 2013 larus glaucoides larus glaucoides 1cy Leave a comment

Marked Birds Database: first use

December 21, 2013 Filemaker Pro marked birds database marker database programming Leave a comment

2cy Iceland Gull – 20090207

December 12, 2013 larus glaucoides larus glaucoides 2cy Leave a comment

1cy Iceland Gull – 20131208

December 8, 2013 larus glaucoides larus glaucoides 1cy Leave a comment

Little Gull – 20090530

December 3, 2013 larus minutus larus minutus adult 5 Comments

Little Gull – 20090322

December 3, 2013 larus minutus larus minutus adult 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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