(879) Acanthopneuste tenellipes.
The Pale-legged Willow-Warbler.
Phylloscopus tenellipes Swinh., Ibis, 1860, p. 33 (Amoy). Acanthopneuste tenellipes. Blanf. & Oates, i, p. 416.
Vernacular names. None recorded.
Description. Upper plumage, wings and tail brown, tinged with olive on the back, head and scapulars and suffused with ochraceous on the rump, upper tail-coverts and edges of the tail; concealed portions of wing dark brown-; median coverts faintly, greater coverts more strongly, tipped with buff, forming wing-bars; supercilium from the nostrils to the nape dark buff over the lores and paling behind the eye to white; lores and behind the eye dark brown; ear-coverts mingled buff and brown ; below white, the vent and under tail-coverts yellow to buff, and the flanks and breast also tinged with this colour in varying degrees; under-wing-coverts and axillaries yellow to buff.
Colours of soft parts. Iris dark brown; bill above horny-brown, below fleshy-brown; legs and feet pale fleshy.
Measurements. Total length about 130 mm.; wing 59 to 65 mm.; tail 40 to 46 mm.; tarsus 18 to 19 mm.; culmen 9 to 10 mm.
Young are very green above and brighter below.
Distribution. Breeding in Amurland, North China, Korea and Japan. In Winter South to China, Burma, Malay States and intervening Indo-Chinese countries.
Nidification. The only known eggs of this species were taken by Alan Owston's collectors in Japan. They are pure white, glossless and measure 14.9 x 12.0 and 15.0 x 12.0 mm. They were taken on the 12th May from a domed nest in a bank.
Habits. Nothing recorded.