Long-tailed Skua

http://tgreybirds.com/Pages/LongtailedJaegerp.html
Also named a Long-tailed Jager
Scientific:
Stercorarius longicaudus
Order:
Charadriiformes
Family:
Stercorariidae
Genus:
Stercorarius
Danish : Lille Kjove
Greenlandic : Papikkaaq
Length : 48 – 53 cm
Wingspan: 105 – 117 cm
Weight: 230 – 444 g
Stein Ø. Nilsen, XC378340. Accessible at www.xeno-canto.org/378340.

References :
Avibase The World Bird Database (2018). Stercorarius longicaudus. Found at https://avibase.bsc-eoc.org/species.jsp?avibaseid=1D4464402EC9FD21
Wiley, R. H. and D. S. Lee. 1998. Long-tailed Jaeger (Stercorarius longicaudus), version 2.0. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bna.365
Meltofte, H. and Høye, T.T. 2007. Reproductive response to fluctuating lemming density and climate of the long-tailed skua Stercorarius longicaudus at Zackenberg, Northeast Greenland, 1996-2006. Dansk Ornitologisk Forenings Tidsskrift, 101: 109-119.