Tag Archives: 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