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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Marked Birds Database – what’s coming up?
Marked Birds Database – Version 2.5.0 available
Marked Birds Database Manual – Working with bird relations
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update September 2019
Marked Birds Database – Version 2.4.0 available

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Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
Gull behavior explained: Choking
Herring Gulls showing pair-bonding behavior
Mixed breeding pair Herring Gull x Lesser Black-backed Gull in IJmuiden 2017
Studying bill and eye characteristics in European Herring Gulls
Gull watching in the southern Lake Michigan region (USA) - 201402
Presumed adult hybrid Lesser Black-backed Gull x Yellow-legged Gull Green Y.BAM - 2014
1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
Gull behavior: the forward posture
Herring Gull feeding on feather lice of other gulls - 20151114

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