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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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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