单词tropicbird
网络: 鹲属；尾羽的热带鸟
复数：tropicbirds
The birds, a great frigate and a white-tailed tropicbird, were both spotted around Po Toi, Hong Kong"s southern most island.
一只大军舰鸟和一只白尾热带鸟在香港最南端的蒲台岛附近现踪。