Megapodius cumingii Dillwyn, Proc. Zool. Soc. (1851), 119, pl. 39. Megapodius pusillus Tweeddale, Proc. Zool. Soc. (1877), 765, pl. 78 (juv.). Megapodius dillwyni Tweeddale, Proc. Zool. Soc. (1877), 766. Megapodius cumingi Grant, Cat. Birds Brit. Mus. (1893), 22, 449; Meyer and Wiglesworth, Birds of Celebes (1898), 2, 671, pl. 41, fig. 1; Sharpe, Hand-List (1899), 1, 12; Oates, Cat. Birds' Eggs (1901), 1, 16; McGregor and Worcester, Hand-List (1906), 7. Ou-cong', Calayan, Camiguin N.; ta-bon', Luzon, Mindoro, Cagayancillo, and in general. Balabac (Steere, Everett); Bantayan (McGregor); Basilan (Steere, Steere Exp., Bourns & Worcester); Cagayancillo (McGregor); Calayan (McGregor); Camiguin N. (McGregor); Cebu (Everett, Bourns & Worcester); Cresta de Gallo (McGregor); Fuga (Whitehead, McGregor); Luzon (Cuming, Heriot, Whitehead); Marinduque (Steere Exp.); Mindanao (Steere, Everett, Steere Exp., Bourns & Worcester, Goodfellow); Mindoro (McGregor, Porter); Palawan (Everett, Lempriere, Whitehead, Platen, Bourns & Worcester, White); Romblon (Bourns & Worcester); Samar (Bourns & Worcester); Sibutu (Everett); Sibuyan (Bourns & Worcester); Sulu (Bourns & Worcester, Platen); Tablas (Bourns & Worcester); Tawi Tawi (Bourns & Worcester); Ticao (McGregor). Celebean Islands and islands of northwestern Borneo. Adult.--Top of head dark blue-gray with a wash of olive-brown; a narrow gray collar on hind neck; rest of upper parts, including exposed parts of folded wing, rich olive-brown; lower parts dark blue-gray. Iris brown; bill yellow, dusky at base and about nostrils; legs and nails black or dark brown; skin about eye varies from bright red to almost black. A male from Cagayancillo measures, 340 in length; wing, 230; tail, 72.4; tarsus, 62; middle toe with claw, 57; bill from nostril, 14. A female from the same island measures, 340 in length; wing, 235; tail, 70; tarsus, 58; middle toe with claw, 57; bill from nostril, 14. Young.--A bird measuring but 165 in length, taken in Calayan, October 7, 1903, bears a general resemblance to the adult but the superorbital space, lores, chin, and throat are closely feathered; forehead, chin, and area below eye dull yellowish brown; throat, sides of neck, and breast dull brown; middle of abdomen dark ochraceous brown; feathers of upper parts dark brown, obscurely edged with olive-brown on back, scapulars, and wing-coverts; plumage, except remiges and rectrices, soft and decomposed.