Purple Sand Piper

https://www.allaboutbirds.org/guide/Purple_Sandpiper/lifehistory
Scientific:
Charadriiformes
Order:
Charadriiformes
Family:
Scolopacidae
Genus:
Calidris
Danish : Sortgrå Ryle
Greenlandic: No translation
Size
Length: 7.9-8.7 in (20-22 cm)
Weight: 1.8-3.7 oz (50-105 g)
Wingspan: 16.5-18.1 in (42-46 cm)
The Purple Sandpiper is a resident of Greenland’s southern Coast, as well as breeds alongside the entire West Coast of Greenland. The bird is recognizable by it’s dark brown winter plumage and it’s elongated, curved mostly black beak. The purple sandpiper predominantly feeds on small crustaceans, insects, spiders and some vegetative matter.
Jens Kirkeby, XC312419. Accessible at www.xeno-canto.org/31241

References :
Avibase The World Bird Database (2018) Charadriiformes. https://avibase.bsc-eoc.org/species.jsp?avibaseid=0A0B84313ACFFB2F
BirdLife International (2018) Species factsheet: Calidris maritima. http://www.birdlife.org on 21/04/2018
Payne, Laura X. and Elin P. Pierce. 2002. Purple Sandpiper (Calidris maritima), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.
Sibley, David Allen. 2014. The Sibley guide to birds, second edition. Alfred A Knopf, New York.