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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1CY Caspian Gull Red HHT0 – 20191110
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Marked Birds Database – what’s coming up?
Marked Birds Database – Version 2.5.0 available
Marked Birds Database Manual – Working with bird relations

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1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Reading ringed Lesser Black-backed Gulls in Morocco - January 2017
Announcing the release of the Marked Birds Database
Suspended primary moult in adult European Herring Gulls Larus argentatus argenteus of the Dutch colony of IJmuiden Forteiland
Mixed breeding pair Herring Gull x Lesser Black-backed Gull in IJmuiden 2017
2CY Iceland Gull and Glaucous Gull - 20170115
IJmuiden Herring Gulls at Blaringhem landfill, France - October 2016
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field

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