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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Recent Posts

IJmuiden Gull Research Team season 2020 review
Marked Birds Database – Version 2.12.0 available
Filming Lesser-Blacked Gull YDDD in flight and matching it with its GPS data
Marked Birds Database – Version 2.11.1 available (fix for version 2.11.0)
The return of Lesser Black-backed Gull Green YAPC – 20200827

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Studying bill and eye characteristics in European Herring Gulls
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
How to score primary moult in gulls
Yellow-legged Gulls and gulls with yellow legs at Katwijk
Gull behavior: the forward posture
The Mew Call
Return of pink Black-headed Gull to breeding colony - 20150306
Database
Deciphering the black mark on P9 of Black-headed Gulls
Gull behavior explained: Choking

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