Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: January 2018

22CY Black-headed Gull White LYD – 20180128

January 28, 2018 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

Adult Lesser Black-backed Gull Green SAAL with pseudo-mirror – 20150528

January 27, 2018 larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Marked Birds Database – Version 1.16.0 available

January 22, 2018 marked birds database Leave a comment

Primary covert variation in 1st-winter Black-headed Gulls

January 16, 2018 chroicocephalus ridibundus 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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