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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Marked Birds Database – Version 2.4.0 available
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update 29 August 2019
Final visit to the IJmuiden Forteiland colony this season – 21090826
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update 12 August 2019
1CY Lesser Black-backed Gull Green YCZT trip to Alkmaar – 20190728

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Studying bill and eye characteristics in European Herring Gulls
Database
Gull behavior explained: Choking
1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
Primary pattern differences between juvenile European Herring Gulls and Lesser Black-backed Gulls - 20140707
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field
A successful gull watching day
About me
Marked Birds Database - Adding birds (basics)

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