Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: September 2012

Early return of wintering Black-headed Gulls

September 30, 2012 Leave a comment

Gulls on Film

September 15, 2012 Leave a comment

Another example of leucism in outer greater primary coverts in Lesser Black-backed Gull

September 4, 2012 Leave a comment

My first observation of a wintering Black-headed Gull this season

September 3, 2012 Leave a comment

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5CY Herring Gull YCKL with sub-adult plumage – 20210412
Marked Birds Database – Version 2.13.0 available
First visit to IJmuiden Forteiland colony of 2021 season and returning birds with GPS loggers
IJmuiden Gull Research Team season 2020 review
Marked Birds Database – Version 2.12.0 available

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Studying bill and eye characteristics in European Herring Gulls
4cy European Herring Gull Green Y.BPS - 20140602
Gull behavior explained: Choking
5CY Herring Gull YCKL with sub-adult plumage - 20210412
The Mew Call
Gull behavior: the forward posture
Head moult progression in Black-headed Gull White 4FH, winter 2014/2015
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
Adult European Herring Gull Green YCUZ with Thayeri-pattern on P9 and P10 - 20190703
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field

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