Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Monthly Archives: January 2016

Marked Birds Database update – automation, basic features, new ringing projects and design tweaks

January 24, 2016 development marked birds database Leave a comment

Adult European Herring Gull Black/Blue 9N in breeding plumage and pair-bonding – 20151225

January 10, 2016 larus argentatus larus argentatus adult Leave a comment

2CY Caspian Gull – 20160108

January 8, 2016 larus cachinnans larus cachinnans 2cy Leave a comment

Common Gull with deep tongue on P8 – 20160103

January 3, 2016 larus canus larus canus adult Leave a comment

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1CY Caspian Gull Red HHT0 – 20191110
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Marked Birds Database – what’s coming up?
Marked Birds Database – Version 2.5.0 available
Marked Birds Database Manual – Working with bird relations

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1CY Herring Gull, Yellow-legged Gull and Lesser Black-backed Gull - 20140921
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Reading ringed Lesser Black-backed Gulls in Morocco - January 2017
Announcing the release of the Marked Birds Database
Suspended primary moult in adult European Herring Gulls Larus argentatus argenteus of the Dutch colony of IJmuiden Forteiland
Mixed breeding pair Herring Gull x Lesser Black-backed Gull in IJmuiden 2017
2CY Iceland Gull and Glaucous Gull - 20170115
IJmuiden Herring Gulls at Blaringhem landfill, France - October 2016
Identifying nearly-fledged Herring Gulls and Lesser Black-backed Gulls in the field

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