白斑軍艦鳥
Lesser Frigatebird
Fregata ariel
無危。偶見鳥。擅長飛行的小型海鳥。翼黑色，細而尖長。尾部開叉。成鳥頭、上體和尾黑色；幼鳥頭部棕色，腹部及腋羽白色。見於海岸或海島。
Least Concern. Occasional visitors. Small firgatbird. Aerial seabird with slender and pointed black wings. Tail deeply forked. Juveniles have brownish head, belly and white axillaries which replaced by black head, upperparts, belly and tail in adults. Found along the coast and on the islands.