1530. Sula leucogaster.
The Booby or Brown Gannet.
Pelecanus sula, Linn. Syst. Nat. i, p. 218 (1766). Pelecanus leucogaster, Bodd. Tabl. Pl. Enl, p. 57 (1783). Sula fiber, apud Blyth, Cat. p. 296; Jerdon, B. I. iii, p. 851 ; Hume, S. F. ii, pp. 51,324; iv, p. 483. Sula australis, Steph. apud Hume, S. F. v, p. 318; Hume & Dav. S. F. vi, p. 493: Hume, Cat. no. 998. Sula leucogastra, Sclat. & Salv. P. Z. S. 1878, p. 651; Legge, Birds Ceyl. p. 1177. Dysporus sula, Oates, B. B. ii, p. 229.
Coloration. In adults the head, neck, and upper breast, with the whole upper surface, dark chocolate-brown: wing and tail-feathers bluish brown; lower breast and belly white; wing-lining almost wholly brown.
Young birds have the upper parts, wings, tail, head, and neck all round down to the middle of the breast uniform sepia-brown, lower breast and abdomen pale brownish, the limits of the two colours well defined.
Bill creamy white, with a bluish tinge in veins; pouch, gape, lores, and orbital spaces pale hoary greenish yellow ; irides white; legs and feet pale yellow (Hume). Tail-feathers 14.
Length 32; tail 8; wing 15; tarsus 1.7; bill from gape 4.7.
Distribution. Tropical seas throughout the world. The Booby has frequently been seen and occasionally shot on the coasts of India, Ceylon, and Burma-.