Aves, p�le ornithologique de Natagora

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Aves, 54/2 | 2017 | 59-72

  The subspecies rhenana of the Hazel Grouse Bonasa bonasia: a taxon in danger
Jean-Jacques Pfeffer

Article is not available in pdf French article available for download in 2019

Article summary

Of all the subspecies of Hazel Grouse Bonasa bonasia, the most distinct is subspecies rhenana, which lives at the western most limits of the species' range. It is distinguished by its taxonomy, its ecology, and most probably by genetics. This subspecies is also the most threatened: in recent decades its range has reduced significantly and its numbers have declined drastically in all the countries concerned (France, Germany, Belgium and Luxembourg). There are many causes of its decline. The situation is now so dramatic that, to prevent permanent loss, the necessary first step would seem to be to create a genetic "reserve".

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