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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Visit to the gull colony of IJmuiden – 20190315
Marked Birds Database – Version 2.2.0 available
Great Black-backed Gulls and Herring Gulls – 20190215-16
Reading ringed Lesser Black-backed Gulls in Morocco – January 2019
IJmuiden Lesser Black-backed Gulls in Morocco – January 2019

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Studying bill and eye characteristics in European Herring Gulls
Yellow-legged Gulls - 20131008
Gull watching in the southern Lake Michigan region (USA) - 201402
3cy Yellow-legged Gull - 20131008
Yellow-legged Gulls and gulls with yellow legs at Katwijk
Marked Birds Database - introduction
Return of pink Black-headed Gull to breeding colony - 20150306
Gull behavior: the forward posture
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
Gull behavior explained: Choking

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