980. Tetrastes griseiventris

980. Menzbier’s Hazel Grouse.
TETRASTES GRISEIVENTRIS.
Tetrastes griseiventris, Menzbier, Bull. Mosc. lv. pt. i. p. 105, pl. iv. (1880) ; (Dresser), ix. p. 329, pl. 704 ; Ogilvie Grant, Cat. B. Br. Mus. xxii. p. 93.
Male ad. (Russia). Differs from T. bonasia in being much darker and duskier ; upper parts dark grey, the head and back barred with blackish, the former darker ; rump and upper tail-coverts dark grey with indistinct darker bars ; tail like that of T. bonasia, but the subterminal band scarcely indicated, and the white tip wanting ; chin and a streak from above the eye white ; throat black slightly marked with dark rufous ; neck and breast grey barred with black and marked with rufous ; rest of under parts grey indistinctly barred with black ; flanks tinged with rufous ; bill blackish horn ; feet greyish brown ; iris brown. Culmen 0.9, wing 6.6, tail 4.8, tarsus 1.35. The female is browner and less grey in colour, and the black feathers on the throat are broadly tipped with buff.
Hab. The Perm and Olonetz Governments west of Ural, Russia.
I do not find anything on record respecting the habits and nidification of this species, which ; probably do not differ from those of T. bonasia.