Larus marinus (Great Black-backed Gull)

Systematics :

Kingdom: Animals (Animalia)
Phylum: Chordata
Subphylum: Vertebrata
Class: Birds (Aves)
Order: Charadriiformes
Family: Laridae
Genus: Larus
Species: Great Black-backed Gull (Larus marinus)

Norwegian name: Svartbak

Confusion species: Lesser Black-backed Gull (Larus fuscus)