Species.
- a1. Tail white with a black band at tip. leucocephalus (p. [338])
- a2. Tail white, stained rufous, the basal third and the tip black. waldeni (p. [339])
301. CRANIORRHINUS LEUCOCEPHALUS (Vieillot).
WHITE-HEADED HORNBILL.
- Buceros leucocephalus Vieillot, Nov. Dict. d’ Hist. Nat. (1816), 4, 592.
- Craniorrhinus leucocephalus Walden, Trans. Zool. Soc. (1875), 9, 165, pl. 27.
- Cranorrhinus leucocephalus Grant, Cat. Birds Brit. Mus. (1892), 17, 378; Sharpe, Hand-List (1900), 2, 65; McGregor and Worcester, Hand-List (1906), 56.
Camiguin S. (Cuming); Mindanao (Steere, Everett, Koch & Schadenberg, Steere Exp., Bourns & Worcester, Clemens, Goodfellow, Celestino).
“Adult male.—Occiput, nape, and back of neck deep chestnut; rest of head, neck, and upper chest buff; tail white, with a terminal black band; rest of plumage black, glossed with dark bluish green. Naked skin round eye and on chin and throat fiery orange-red; iris crimson; feet dull black; bill and casque deep red; lower mandible crossed at the base by four or more obliquely transverse ridges, the basal one being dark red, the rest whitish and separated from one another by brown grooves; casque with numerous transverse folds. Length, 737; wing, 335; tail, 244; tarsus, 51.”
“Adult female.—Differs from the male in having the plumage of head and neck dark shining black, and the casque smooth. Length, 597; wing, 302; tail, 22; tarsus, 46.” (Grant.)
“Common in Mindanao. Seems not to occur in Basilan. Frequents the highest trees and feeds on fruit. Eyes red; legs black; tops of feet black, bottoms yellowish; bill dark scarlet. A male measures, 711 in length; wing, 319; tail, 232; tarsus, 50; middle toe with claw, 54.” (Bourns and Worcester MS.)
When new the tail-feathers are white but they soon turn light buff. The male is much larger than the female and has a larger casque. A male from northern Mindanao is 762 in length; wing, 360; tail, 235; bill from nostril, 126; length of casque at base, 76; tarsus, 50. A female is 620 in length; wing, 290;, tail, 220; bill from nostril, 89; length of casque at base, 57; tarsus, 49.