Phylloscopus proregulus (Pallas's Leaf Warbler)

Systematics :

Kingdom: Animals (Animalia)
Phylum: Chordata
Subphylum: Vertebrata
Class: Birds (Aves)
Order: Passerines (Passeriformes)
Family: Phylloscopidae
Genus: Phylloscopus
Species: Pallas's Leaf Warbler (Phylloscopus proregulus)

Norwegian name: Fuglekongesanger

Confusion species: Yellow-browed Warbler (Phylloscopus inoratus)