(877) Acanthopneuste nitidus saturatus.
The Annam Willow-Warbler.
Acanthopneuste nitidus saturatus Stuart Baker, Bull. B. O. C, xliv p. 62 (1924) (Daban, South Annam).
Vernacular names. None recorded.
Description. A very deep-coloured bird, with dark olive-green upper parts, brighter and greener on the rump; the underparts very grey with yellow smears on the abdomen and breast; the wing-bars are much more conspicuous at all seasons than they are in any other race and are very white; the supercilium is very broad and very white.
Colours of soft parts. " Iris dark; maxilla blackish or dark brown; mandible dull yellow or ochreous with a dark tip; feet and legs brown, olive-Drown or dark brown, sides ochreous" (Robinson & Kloss).
Measurements. Wing 56 to 62 mm.; tail 40 to 44 mm.; tarsus 19 mm.; culmen 9 to 10 mm.
Distribution. Breeding in Manchuria; Winter, Annam, Yunnan and Northern Shan States.
Habits. Those of the other races.