(2192) Fregata minor aldabrensis.
The Western Lesser Frigate-bird.
Fregata minor aldabrensis Mathews, Austral Av. Record, ii, p. 119 (1914) (Aldabra). Fregata aquila. Blanf. & Oates, iv, p. 338.
Vernacular names. None recorded.
Description. - Male. All black; the feathers above glossed with green; lesser wing-coverts brown; lower plumage dark brown rather than black.
Colours of soft parts. Iris brown; bill, lead-colour, dirty light blue; legs and feet, black, bright red. In some female skins the bill is noted as "rose." The pouch is dull brick-red.
Measurements. Wing, 585 to 603 mm., 605 to 621 mm.; tail, 392 to 410 mm., 395 to 430 mm.; middle toe 48 to 57 mm.; culmen, 116 to 130 mm., 130 to 150 mm.
Female. Differs from the male in having the gloss on the upper plumage less developed and the fore-neck and breast white; the chin and throat are mottled brown and white.
Nestling in down white with a rusty stain.
Distribution. Aldabra, Seychelles, Glorioso. A female was obtained by Nicoll in Ceylon.
Nidification. This Frigate-bird is said to lay one or two eggs in nests similar to those described of the other species, but I can find no full description of its breeding.
Habits. Those of the genus.