The second egg mentioned above was taken in Siquijor by the Steere Expedition.
Genus ELANUS Savigny, 1809.
Bill moderate, edge gently sinuate; culmen strongly curved; wings long, extending beyond tip of tail; primaries not cut on inner webs; tail slightly forked; tarsus feathered in front for half its length, remainder of its surface covered with minute roundish scales.
192. ELANUS HYPOLEUCUS Gould.
PHILIPPINE BLACK-WINGED KITE.
- Elanus hypoleucus Gould, Proc. Zool. Soc. (1859), 127; Sharpe, Cat. Birds Brit. Mus. (1874), 1, 338; Hand-List (1899), 1, 269; Oates, Cat. Birds’ Eggs (1902), 2, 291, pl. 13, figs. 3; McGregor and Worcester, Hand-List (1906), 44.
Bantayan (McGregor); Basilan (Everett); Bohol (McGregor); Bongao (Everett); Calamianes (Bourns & Worcester); Cebu (Everett, Bourns & Worcester); Guimaras (Steere Exp.); Luzon (Jagor, Steere Exp., Whitehead, McGregor); Mindanao (Everett, Goodfellow); Mindoro (Steere Exp., Bourns & Worcester, Everett, Whitehead, Porter); Negros (Steere Exp., Bourns & Worcester, Keay); Samar (Whitehead); Sibuyan (McGregor); Sulu (Burbidge, Bourns & Worcester); Tawi Tawi (Bourns & Worcester). Celebes; Greater Sunda Islands.
Adult.—Above pearl-gray, paler on head and fading to pure white above eyes, on forehead, and sides of neck; lores and a narrow line above eye black; entire lower parts including under surface of wings and tail white; median and lesser coverts black but a few of the inner lesser coverts white; a few small black feathers near edge of wing; primaries and secondaries tipped with white and largely white on inner webs, primary-shafts black; tail-feathers white, except central pair which are gray above.
Male from Bantayan.—Length, 330; wing, 300; tail, 143; culmen from base, 25; tarsus, 36.
Female from Manila.—Bill and nails black; iris carmine; cere, gape, and legs chrome-yellow. Length, 355; wing, 300; tail, 138; culmen from base, 25; tarsus, 34.