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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5CY Herring Gull YCKL with sub-adult plumage – 20210412
Marked Birds Database – Version 2.13.0 available
First visit to IJmuiden Forteiland colony of 2021 season and returning birds with GPS loggers
IJmuiden Gull Research Team season 2020 review
Marked Birds Database – Version 2.12.0 available

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5CY Herring Gull YCKL with sub-adult plumage - 20210412
Studying bill and eye characteristics in European Herring Gulls
Gull behavior explained: Choking
Gull behavior: the forward posture
4cy European Herring Gull Green Y.BPS - 20140602
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
The Mew Call
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field
Head moult progression in Black-headed Gull White 4FH, winter 2014/2015
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