Black-headed Gull
Chroicocephalus ridibundus*
 (L 16" WS 40" Wt 9 oz)
Breeds in much of Europe and Asia
...also eastern coastal Canada.
*previously Larus ridibundus
Randers Fjord
Udyhøj, Denmark
03Sept2013
Mariager Fjord, Denmark
29Aug2013
Juvenile