Black Grouse Tetrao tetrix.

Author Hudson, P.J. & Baines, D.
Citation Hudson, P.J. & Baines, D. (1993). Black Grouse Tetrao tetrix. In: Gibbons, D.W. (ed.) The New Atlas of Breeding Birds of Britain and Ireland: 1988-1991: 130-131. T. & A.D. Poyser, Calton.

Abstract

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