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Bird photos, sounds and videos

Great Black-backed Gull (Larus marinus) Gulls, Terns and Skimmers (Laridae)
dk: Svartbag es: Gaviota Mayor
	629 (1 photos) 2011-11-26 Dragør, Amager, Denmark Young birds fighting for fish.
	628 (1 photos) 2011-11-26 Dragør, Amager, Denmark 1cy bird in the air with complete unmoulted plumage.
	627 (1 photos) 2011-11-26 Dragør, Amager, Denmark Young birds. Fighting for lunch.
	3218 (10 photos) 2019-10-28 Amager Strandpark, Amager, Denmark Adult bird in molt with still growing outer primaries and missing outer secondaries. The dark markings on the bill relate to being non-breeding rather than a younger bird. The bulky size, large bill, dark back and pink feet make it unique. When seen like this only Slaty-backed Gull (Larus schistisagus) can look similar, but is first of all not present in the area, and will normally appear smaller, more slender and with a more intense feet coloration. As always the back color differs with the light and viewing angle, here looking considerably paler on the bird when flying away.
	3343 (7 photos) 2020-03-31 Vinkelhuse (Tårnby), Amager, Denmark Adult scavenging a dead bread in a black plastic bag. The deep orange eye-ring and gape is probably a result of hormonal preparation for breeding since other adult birds seen on gull-research.org show yellowish eye-ring.