Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: March 2017

Marked Birds Database – Version 1.10.0 available

March 30, 2017 marked birds database Leave a comment

2CY Iceland Gull – 20170310

March 10, 2017 larus glaucoides larus glaucoides 2cy Leave a comment

Black-headed Gull White ECM9 displaying courtship and territorial behaviour – 20170304

March 4, 2017 Leave a comment

Variation in primary moult in Lesser Black-backed Gulls in January

March 1, 2017 larus fuscus graellsii larus fuscus graellsii 3cy larus fuscus graellsii 4cy larus fuscus graellsii adult larus fuscus intermedius larus fuscus intermedius 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
Adult Scandinavian Herring Gulls in Stockholm, Sweden - 20150221
Marked Birds Database update - a new approach
Tertial spots in sub-adult and adult gulls
Primary pattern variation in individual European Herring Gull

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