It is thought the current capercaillie population has dwindled to just five birds, most likely because of being disturbed by people and dogs.
www.deadlinenews.co.uk Birds occurring here include the black grouse, the capercaillie, the black stork, the eagle owl, the corncrake, the red-backed shrike and the wryneck.
en.wikipedia.org More work is required to establish which, if any, of these factors actually influence capercaillie numbers.
www.bbc.co.uk Species inhabiting the moorlands include red grouse, black grouse, ptarmigan and the capercaillie.
en.wikipedia.org Bird species are represented by capercaillie, black grouse, hazel grouse, spotted nutcracker and cuckoos.
en.wikipedia.org