Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: March 2019

Visit to the gull colony of IJmuiden – 20190329

March 31, 2019 hybrid LBBG x YLG hybrid LBBG x YLG adult larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Marked Birds Database – Version 2.3.0 available

March 28, 2019 marked birds database Leave a comment

Visit to the gull colony of IJmuiden – 20190315

March 17, 2019 larus argentatus larus argentatus adult larus fuscus graellsii larus fuscus graellsii adult Leave a comment

Marked Birds Database – Version 2.2.0 available

March 14, 2019 marked birds database 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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Top Posts & Pages

Studying bill and eye characteristics in European Herring Gulls
Gull behavior: the forward posture
Yellow-legged Gulls and gulls with yellow legs at Katwijk
Deciphering the black mark on P9 of Black-headed Gulls
Head moult progression in Black-headed Gull White 4FH, winter 2014/2015
Return of pink Black-headed Gull to breeding colony - 20150306
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
Gull behavior explained: Choking
Scandinavian Herring Gulls, Stockholm - August 2015
IJmuiden Gull Research Team season 2020 review

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