Great Black-backed Gulls – 20160219

Images of Great Black-backed Gulls Larus marinus in the port of IJmuiden, the Netherlands, 19 February 2016.

Second-calendar year with juvenile scapulars (a 2nd-calendar year Herring Gull looks on):


Second-calendar year with Danish ring Black JZA88:


Second-calendar year with Norwegian ring Black JU963:


Third-calendar year with Norwegian ring Black JZ413 (note the faint mirrors on P10:




Another image of Black JZ413, fighting with 2nd-calendar year Black JZ583 while a Herring Gulls steals the fish behind him. Black JU963 comes over to have a look (top left):


JZ413 has some kind of growth on the top of his head:


And to end this post some nice looking adults:



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