Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: May 2018

4th-calendar year Lesser Black-backed Gull comparison – 20180518

May 24, 2018 larus fuscus graellsii larus fuscus graellsii 4cy Leave a comment

Adult Lesser Black-backed Gull Green YBJB – 20180514

May 14, 2018 larus fuscus graellsii larus fuscus graellsii adult Leave a comment

6CY Lesser Black-backed Gull Green YBMT with retarded plumage – 20180409

May 10, 2018 larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Primary pattern variation in adult Herring Gull Green YBKC from 2015 to 2018

May 4, 2018 larus argentatus larus argentatus adult Leave a comment

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Adult Lesser Black-backed Gull Green YCKB and P9 mirror presence – 2018/2019
Visit to the gull colony of IJmuiden – 20190408
Visit to the gull colony of IJmuiden – 20190329
Marked Birds Database – Version 2.3.0 available
Visit to the gull colony of IJmuiden – 20190315

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Adult Lesser Black-backed Gull Green YCKB and P9 mirror presence - 2018/2019
Studying bill and eye characteristics in European Herring Gulls
Gull watching in the southern Lake Michigan region (USA) - 201402
Visit to the gull colony of IJmuiden – 20190408
About me
Marked Birds Database – Version 2.1.0 available
Great Black-backed Gulls and Herring Gulls - 20190215-16
Status update on the presence of pseudo-mirrors and non-isolated mirrors in IJmuiden-ringed adult European Herring Gulls
Gull behavior explained: Choking
Adult Lesser Black-backed Gull Green YAKU with tertial spots in 2018

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