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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IJmuiden Gull Research Team season 2022 review
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Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
3cy American Herring Gulls - 201402
Studying bill and eye characteristics in European Herring Gulls
Gull behavior explained: Choking
Database
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Sub-adult American Herring Gulls - 201402
New Caspian Gull ID pages on Gull Research.ORG
Herring Gull primary pattern comparison - May/June 2018

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