Large predatory gull (4)
I believe the answer is:
skua
(Other definitions for skua that I've seen before include "Large relative of the gull" , "Auks (anag.)" , "Large predatory bird" , "Large predatory seabird" , "Brownish sea bird" .)
I believe the answer is:
skua
(Other definitions for skua that I've seen before include "Large relative of the gull" , "Auks (anag.)" , "Large predatory bird" , "Large predatory seabird" , "Brownish sea bird" .)