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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Images of (presumed) hybrid Herring Gull x Lesser Black-backed Gull Green YDJB
Primary P5 pattern variation in Dutch Herring Gull YBUF over multiple seasons
IJmuiden Gull Research Team season 2022 review
IJmuiden Gull Research Team season 2021 review
IJmuiden Forteiland gulls on Dutch TV – 20211022

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Gull behavior explained: Choking
Studying bill and eye characteristics in European Herring Gulls
Gull behavior: the forward posture
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field
The Mew Call
Lesser Black-backed Gull chicks - 20190603
Gemengd broedpaar Zilvermeeuw x Kleine Mantelmeeuw in IJmuiden 2017
Adult Scandinavian Herring Gulls in Stockholm, Sweden - 20150221
Marked Birds Database update - a new approach
Tertial spots in sub-adult and adult gulls

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