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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Recent Posts

Marked Birds Database – Version 2.12.0 available
Filming Lesser-Blacked Gull YDDD in flight and matching it with its GPS data
Marked Birds Database – Version 2.11.1 available (fix for version 2.11.0)
The return of Lesser Black-backed Gull Green YAPC – 20200827
Marked Birds Database – Version 2.11.0 available

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1st-Cycle gulls still in juvenile plumage in January
Gull behavior: the forward posture
Studying bill and eye characteristics in European Herring Gulls
Gull behavior explained: Choking
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
Lesser Black-backed Gull pair with 6 chicks - 20180611
Database
Marked Birds Database Manual
Egg predation by an adult Lesser Black-backed Gull - 20140519
Marked Birds Database - Adding birds (basics)

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