Gulls to the Horizon
A blog about gull observations by a Dutch larophile
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chroicocephalus ridibundus adult
22CY Black-headed Gull White LYD – 20180128
Reading ringed gulls in Leiden – 20171204
Return of the Black-headed Gull with an extra ‘foot’ – 20161211
Fierce Black-headed Gull fight – 20150412
Return of pink Black-headed Gull to breeding colony – 20150306
Head moult progression in Black-headed Gull White 4FH, winter 2014/2015
Black-headed Gulls – 20150205
Black-headed Gulls of the 2014 breeding season Zoetermeer
Primary moult variation in adult Black-headed Gulls – 20140628
Tertial spots in sub-adult and adult gulls
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