8. DUSKY THRUSH.
Turdus dubius, Beehst. Naturg. Deutschl. iv. p. 240 Taf. v. b (1795) ; Dresser, ii. p. 63, pl. 7 ; T. fuscatus. Pall. Zoogr. Ross. As. i. p. 151 (1871), Naumann, xiii. p. 307 taf. 359, figs. 1,2, Gould. B. of E. pl. 79 ; Seebohm, Cat. B. Br. Mus. v. p. 262 ; Tacz. F. O. Sib. O., p. 289 ; Dresser, Ibis., 1901, p. 446, pl. ix. figs. 1-4 (eggs).
Drozd chernosoboy, Russ.
Ad. (Yenesei). Above greyish brown, streaked with dark brown. ; super cilium buff, rump washed with rufous ; tail blackish brown ; quills broadly margined with rufous ; below dull white, spotted on the sides with black ; breast and flanks boldly marked with black ; under wing-coverts and axillaries rufous ; bill dark brown, yellowish at the base ; legs light brown ; iris dark brown. Culmen 0.82, wing 5.15, tail 3.8, tarsus 1.35 inch. The young bird is much paler and duller, the under parts less boldly marked, and the margins of the wing-feathers are paler and greyish rufous in colour.
Hab. Asia as far north as the limit of tree growth, east to Kamchatka, the Commander Islands, and Japan, in winter rang¬ing south to China, Mongolia, Assam, and N.W. India. To Europe it is a rare straggler, having occurred twice in Norway, once in Germany, once in Belgium, and four times in Italy.
In general habits it is said to resemble the Fieldfare and Mistletoe Thrush Its call-note is loud and harsh. It breeds on the Yenesei river, its nest being similar to that of the Fieldfare, and is placed on small isolated trees, usually not more than two feet from the ground. Its eggs vary from the ordinary Blackbird type to those of the Fieldfare, and are usually deposited in June.
8. Turdus dubius
8. DUSKY THRUSH.