1566. Ardeola bacchus.
The Chinese Pond-Heron.
Buphus bacchus, Bonap. Consp. Av. ii, p. 127 (1855). Ardeola prasinosceles, Swinh. Ibis, 1860, p. 64 ; Hume, S. F. ii, p. 483; Walden in Blyth's Birds Burm. p. 160; Hume & Dav. S. F. vi, p. 481 ; Anderson, Yunnan Exped., Aves, p. 689 ; Hume, Cat. no. 930 bis; Oates, B. B. ii, p. 253. Ardeola leucoptera, apud Hume, S. F. xi, p. 334, nec Bodd. Ardeola bacchus, Sharpe, Cat. B. M. xxvi, p. 211.
Coloration. In breeding-plumage the chin and throat are white ; remainder of head and neck, with long lanceolate nuchal crest, dark chestnut; elongate breast-plumes the same, but blackish towards the ends ; back and some of the scapulars blackish slaty; remainder of body, wings and tail white, outer two or three primaries brownish at the tip.
Winter plumage similar to that of A. grayi.
Bill yellow in middle, black on terminal inch, bluish at base; bare orbital skin greenish yellow ; irides golden yellow; tarsi and toes pale yellowish green ; soles and tibiae pale yellow.
Length 21; tail 2.3 ; wing 9 ; tarsus 2.3 ; bill from gape 3.1.
Distribution. Japan,China, Burma, Malay Peninsula, and Borneo. Pound together with A. grayi in Manipur, Karennee, and Tenasserim, also in the Andaman Islands.