Mythical and iconic species of the northern mountains of the Iberian Peninsula. This is a sedentary species, which selects the plots of mature forest. Adult capercaillie are almost exclusively herbivorous. It is a polygamous species, males meet at specific areas of forest, where they develop an elaborate nuptial standing, with the intention of attracting females.

On Ribagorza is located in the Natural Park Posets Maladeta in Turbón - Sierra de Sis and Cotiella - Sierra Farrera.