Genus ACROCEPHALUS Naumann, 1811.
Bill comparatively long and stout; from three to five large rictal bristles on each side of bill; wing long, flat, and pointed; first primary minute, narrow, and pointed; third primary longest, second a little shorter; tail decidedly rounded; tarsus and feet well developed.
Species.
- a1. Much smaller; wing, about 60 mm.; a blackish stripe on each side of crown. sorghophilus (p. [570])
- a2. Much larger; wing, about 90 mm.; no blackish stripes on the crown. orientalis (p. [571])
551. ACROCEPHALUS SORGHOPHILUS (Swinhoe).
LITTLE REED WARBLER.
Calamodyta sorghophila Swinhoe, Proc. Zool. Soc. (1863), 92 and 293.
Acrocephalus sorgophilus Seebohm, Cat. Birds Brit. Mus. (1881), 5, 94; Sharpe, Hand-List (1903), 4, 187; McGregor and Worcester, Hand-List (1906), 87.
Luzon (McGregor). China.
Male.—Above tawny olive, uniform and more ocherous on rump and tail-coverts; head and back distinctly streaked with dark brown; lores, sides of head, and a line above each eye yellow-buff; on each side of crown a long blackish stripe bordering the superciliary line below; a dark line on upper border of ear-coverts; under parts pale buff, flanks and thighs darker; wings and tail brown and much worn. Rectrices twelve; iris dark brown. Wing, 55; tail, 49; culmen from base, 15; bill from nostril, 8; tarsus, 20; middle toe with claw, 18; hind toe with claw, 14. Bill comparatively broad and flat.