Iceland Gull

http://www.birdersplayground.co.uk/Iceland%20Gull%20-%201st%20winter%201.html
Scientific:
Larus glaucoides glaucoides
Order:
Charadriiformes
Family:
Laridae
Genus:
Larus
Danish: Hvidvinget Måge
Greenlandic: Naaja
Length: 19.7-23.6 in (50-60 cm)
Weight: 28.9-38.8 oz (820-1100 g)
Wingspan: 45.3-53.9 in (115-137 cm)
Fun Fact: Hunted extensively in Greenland
Frank Roos, XC403568. Accessible at www.xeno-canto.org/403568.
References:
Avibase The World Bird Database (2018). Larus glaucoides glaucoides. Found at https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=FB4FCB27CC5566D1
Sibley, David Allen. 2014. The Sibley guide to birds, second edition. Alfred A Knopf, New York.
Snell, Richard R., Peter Pyle and Michael A. Patten. 2018. Iceland Gull (Larus glaucoides), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.