World Bird List

Species factsheet
Glaucous Gull (Larus hyperboreus)

Order: Larus hyperboreus
Family: Gulls, Terns, Skimmers (Laridae)

Danske navn: Gråmåge

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
hyperboreus n Europe to nw Siberia
pallidissimus nw Siberia to the Bering Sea
barrovianus Alaska to nw Canada
leuceretes nc Canada to Greenland and Iceland