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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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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