Several experienced ornithologists consider our British red grouse as only a strongly marked race of a Norwegian species, whereas the greater number rank it as an undoubted species peculiar to Great Britain.
Zenbait ornitologo arituk gure britainiar eper gorria (Lagopus scoticus) norvegiar espezie bateko arraza oso markatutzat hartzen dute, gehienek, ordea, Britainia Handiko dudarik gabeko espezietzat sailkatzen duten artean.