Tail slightly rounded of eighteen feathers. Remiges twenty-nine. Extinct in Ireland and Scotland about 1760, and reintroduced from Sweden into Scotland since 1837. Three species.
T. urogallus. Male 35". Female 25". Weight 9 to 12 lbs. The Capercailzie. Above dark grey. Black chin-feathers forming a sort of beard. Metallic green chest-band. Breast and belly black.— Female; Back rufous, barred black. Breast and belly buff, barred black. Tail-feathers tipped white. Polygamous. In pine forests from Scotland to Lake Baikal, and south to Pyrenees, Alps, Carpathians, N.E. Turkestan, and the Altai Mountains. Five to fifteen eggs (1.25 x 1.65), light brown, spotted red-brown.
T. uralensis. A subspecies similar to T. urogallus, but mantle and back grey, finely mottled black. Breast and belly mostly white. Ural Mountains.
T. parvirostris. Male 35". Male 25". The Slender-billed Capercailzie. Mantle brownish black, not barred. White tips of shoulder-feathers forming a line of white spots.— Female: Mantle barred black. Breast and belly black, barred buff, tipped white. White line on shoulder broken. N. E. Siberia and Saghalien Island.
T. kamschaticus. Male 30". Male 22". Like T. parvirostris, but in females the white shoulder line is unbroken. Kamschatka.
With toes naked and pectinate on the sides.