Great Black-backed Gull (Larus marinus)

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Adult Great Black-backed Gull

11/9/22 St Margaret's at Cliffe, Kent, UK

Note: 1st primary (P1) with pure white tip; P2 with large white mirror; legs pink;


Adult Great Black-backed Gulls

15/3/23 Dover, Kent, UK

Monomorphic in plumage, but sexual dimorphic on size with males (presumably the right hand bird) being larger.



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