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Status of male Black Grouse Tetrao tetrix in Britain in 1995-96

M. Hancock, Auteur ; D. Baines, Auteur ; D. Gibbons, Auteur ; B. Etheridge, Auteur ; M. Shepherd, Auteur

Dans Bird Study (46(Suppl.) 1999)

A survey of the male Black Grouse Tetrao tetrix population in Britain was undertaken made in 1995 and 1996. The survey was based on counts of males displaying in the spring. In Wales and Staffordshire, the entire known population was surveyed. I[...]

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