The black-billed capercaillie (Tetrao urogalloides), also known as eastern capercaillie, Siberian capercaillie, spotted capercaillie or (in Russian) stone...

The western capercaillie is one of two living species under the genus Tetrao, which also includes the lesser-known black-billed capercaillie. The word capercaillie...

in the genus Lyrurus. The type species was designated as the western capercaillie (Tetrao urogallus) by George Robert Gray in 1840. The genus contains...

pheasant, western capercaillie, black-billed capercaillie, Siberian grouse, hazel grouse, and willow ptarmigan. The tails of black-cocks have, since late...

grouse are larger than females, and can be twice as heavy in the western capercaillie (the largest of the traditional grouse). Like many other galliforms,...

environmental disturbance. Hazel grouse Siberian grouse Black grouse Black-billed capercaillie Western capercaillie Willow ptarmigan Rock ptarmigan Daurian partridge...

Perdix dauurica Tibetan partridge, Perdix hodgsoniae Genus Rhizothera Long-billed partridge, Rhizothera longirostris Dulit partridge, Rhizothera dulitensis...

occasionally with black grouse (these hybrids being known by the German name rackelhahn) and the closely related black-billed capercaillie. Class Insecta...

especially oil, gas and ores. Hazel grouse Siberian grouse Black grouse Black-billed capercaillie Willow ptarmigan Rock ptarmigan Daurian partridge Japanese...

green peafowls (Pavo muticus) have green and bronze or gold plumage, and black wings with a sheen of blue. Unlike Indian peafowl, the green peahen is similar...