Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: December 2017

Marked Birds Database – Version 1.15.0 available

December 27, 2017 marked birds database Leave a comment

Marked Birds Database – Version 1.14.0 available

December 9, 2017 marked birds database Leave a comment

Reading ringed gulls in Leiden – 20171204

December 4, 2017 chroicocephalus ridibundus chroicocephalus ridibundus adult Leave a comment

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IJmuiden Gull Research Team season 2021 review
IJmuiden Forteiland gulls on Dutch TV – 20211022
IJmuiden Lesser Black-backed Gull GPS-project update: wintering locations and migration routes 2020 – 2021
Hybrid Lesser Black-backed Gull Green YCLD: from chick to breeding adult
Visits to IJmuiden Forteiland gull colony – April 2021

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Gull behavior: the forward posture
The Mew Call
Gull behavior explained: Choking
Tertial spots in sub-adult and adult gulls
30CY European Herring Gull White A Green L - 20150117
Studying bill and eye characteristics in European Herring Gulls
Yellow-legged Gulls (lusitanius) in Spain - November 2019
Caspian Gull performing long-call in Albatross posture
Dutch Black-headed Gull sighted in Gran Canaria, Spain
1cy Caspian Gull - 20131123

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