Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: December 2013

Best wishes and thank you for your visits

December 31, 2013 Year review 7 Comments

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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Unidentified adult Lesser Black-backed Gull – 20171012
3CY Lesser Black-backed Gull Blue VZ6Y with active primary moult in January – 20170105
Marked Birds Database – Importing birds from BirdRing (beta)
Marked Birds Database – plans for the coming months
Marked Birds Database – Version 1.11.0 available

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Unidentified adult Lesser Black-backed Gull - 20171012
Marked Birds Database - Public release
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Studying bill and eye characteristics in European Herring Gulls
Tertial spots in sub-adult and adult gulls
5CY Herring Gull Green YBMD – 20170710
New Caspian Gull ID pages on Gull Research.ORG
Marked Birds Database - Importing data from an old version into a new version

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