Fregata Lacepede, Tabl. Oiseaux, p. 15 (1799).
Type by mon., Pelecanus minor Gmelin.
In this genus the bill is long, the culmen convex in the centre, strongly hooked at the tip, both mandibles being curved downwards ; the culmen is flattened, with deep lateral grooves bifurcating at the dertrum, the lower branch terminating in a notch at the margin ; nostrils, small, linear and impervious, are placed in the groove near the base ; the gular pouch is greatly developed; wings very long and pointed, first quill much the longest; tail of twelve feathers, long and deeply forked; tarsus very short and feathered: middle toe longest; claws long, much curved and that of the middle toe pectinated inside.
Key to Species.
A. Anterior abdomen and flanks white in adults. F. andrewsi, p. 295.
B. Whole abdomen black or blackish in adults……………F. minor, p. 297.
C. A patch of white on each side of the anterior abdomen in adults……………F. artel, p. 297.