Gulls to the Horizon
A blog about gull observations by a Dutch larophile
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larus fuscus graellsii 4cy
First visit to IJmuiden Forteiland colony of 2021 season and returning birds with GPS loggers
Visit to the gull colony of IJmuiden – 20200511
Visit to the gull colony of IJmuiden – 20190506
5CY Lesser Black-backed Gull Green YBXJ with sub-adult plumage – 20190506
4th-calendar year Lesser Black-backed Gull comparison – 20180518
5CY Lesser Black-backed Gull Green YBMT with retarded plumage – 20170410
Variation in primary moult in Lesser Black-backed Gulls in January
Lesser Black-backed Gulls in the IJmuiden colony – 2015 breeding season
5CY Lesser Black-backed Gull Green YAWC – 20150615
4CY Lesser Black-backed Gulls Green Y.BDA and Green Y.BDC – 20150427
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