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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Recent Posts

Marked Birds Database users: time to update the Current Age for all birds
Individual gulls observed in multiple countries
IJmuiden Forteiland gull research: breeding season 2018 report
5CY Lesser Black-backed Gull Black/Blue 3P with sub-adult marking in secondaries – 2018
IJmuiden Forteiland gull season 2018

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Top Posts & Pages

IJmuiden - 20130811
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
New Caspian Gull ID pages on Gull Research.ORG
1cy Herring, Yellow-legged and Lesser Black-backed - 20130922
Marked Birds Database – Version 1.14.0 available
1CY Herring Gull with advanced scapular moult - 20140819
1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
Primary pattern comparison in Dutch adult Common Gulls
Marked Birds Database: first use
Black-legged Kittiwakes, Boulogne-sur-Mer, France, 20160728

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