We reviewed the literature to determine the importance of invertebrates for moorland‐
breeding birds and considered our findings with respect to the conservation of such species …

1. The number of capercaillie in Scotland has fallen since the 1970s. Previous work showed
that low breeding success, exacerbated by deaths of fully grown birds flying into forest …

1. The capercaillie Tetrao urogallus is widely valued as a game bird and an indicator of
forest ecosystem quality. In Scotland, its numbers have declined since the 1970s, due …

The large Eurasian woodland grouse, capercaillie Tetrao urogallus (Plate B), is a resident
species with a breeding range covering a large area within the boreal coniferous zone of the …

Summary 1 The capercaillie Tetrao urogallus and black grouse Tetrao tetrix are declining in
the UK, and low breeding success has been identified as the key factor in the decline of the …

The capercaillie Tetrao urogallus-the world's largest grouse-is a circumboreal forest species,
which only two remaining populations in Spain: one in the Cantabrian mountains in the west …

We compared habitat use and diets of young Capercaillie and Black Grouse broods in a
boreal forest in southeast Norway. We used pointing dogs to search for broods (N= 83) in …

1. Data on black grouse densities and breeding success were collected from five blocks of
moorland, each consisting of four moors, between 1991 and 1993. Moors within a block …

Along the succession gradient of the boreal forest ecosystem, black grouse Tetrao tetrix
inhabits the early and capercaillie Tetrao urogallus the latest stages. When converting old …

The capercaillie Tetrao urogallus has become endangered in central Europe, most probably
as a result of habitat changes. Breeding ecology was studied by following radio-tagged hens …