277. Fregata ariel.
THE SMALLER FRIGATE BIRD,
Male 30" to 33". Legs, male black, female red. Bill grey. Head and above ferruginous brown. Similar to F. aquila, but male has a white patch on each flank, and female has a white collar round the back of the neck. Tropical parts of Indian and Pacific Oceans from Madagascar to the Society Islands. (B. 1525. S.F. vii. 447.)