Status of Capercaillie Tetrao urogallus in Scotland during winter 2003/04: Capsule The population estimate was 1980 individuals (95% confidence limits 1284–2758).

By Eaton Mark A.   Marshall Keith B.   Gregory Richard D.  

Bird Study, Vol. 54, Iss. 2, 2007-07 ,pp. : 145-153

Taylor & Francis Ltd

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Genetic variability of Polish population of the Capercaillie Tetrao urogallus

By Rutkowski Robert   Niewęgłowski Hubert   Dziedzic Roman   Kmieć Marek   Goździewski Jan  

Acta Ornithologica, Vol. 40, Iss. 1, 2005-06 ,pp. : 27-34

Museum and Institute of Zoology, Polish Academy of Sciences

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Size and spacing of grouse leks: comparing capercaillie (Tetrao urogallus) and black grouse (Tetrao tetrix) in two contrasting Eurasian boreal forest landscapes

By Rolstad Jørund   Wegge Per   Sivkov Andrey V.   Hjeljord Olav   Storaunet Ken O.  

Canadian Journal of Zoology, Vol. 87, Iss. 11, 2009-11 ,pp. : 1032-1043

NRC Research Press

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Seasonal and between-sex differences in the diet of Black Grouse Tetrao tetrix: Capsule Dietary differences between sexes and seasons reflected diversity in plant availability and habitat preferences.

By Beeston Rebecca   Baines David   Richardson Michael  

Bird Study, Vol. 52, Iss. 3, 2005-11 ,pp. : 276-281

Taylor & Francis Ltd

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Habitat and diet of young grouse broods: resource partitioning between Capercaillie ( Tetrao urogallus ) and Black Grouse ( Tetrao tetrix ) in boreal forests

By Wegge Per  

Journal fuer Ornithologie, Vol. 149, Iss. 2, 2008-04 ,pp. : 237-244

Springer Publishing Company

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