Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: December 2019

IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update December 2019

December 26, 2019 GPS larus fuscus graellsii larus fuscus graellsii 1cy larus fuscus graellsii adult Leave a comment

How to score primary moult in gulls

December 9, 2019 chroicocephalus ridibundus larus argentatus larus canus larus fuscus graellsii 4 Comments

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