Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: December 2017

Marked Birds Database – Version 1.15.0 available

December 27, 2017 marked birds database Leave a comment

Marked Birds Database – Version 1.14.0 available

December 9, 2017 marked birds database Leave a comment

Reading ringed gulls in Leiden – 20171204

December 4, 2017 chroicocephalus ridibundus chroicocephalus ridibundus 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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