一种燕鸥黑燕鸥和小黑燕鸥属，发现生长于热带水中，头为白色或灰色，身为深褐色或黑色。
Any of several terns of the genera Anous and Micranous, found in tropical waters and having a dark brown or black color with a white or gray head.
在第二年的八月，他在大凤头燕鸥的繁殖地发现了很小一堆黑嘴凤头燕鸥的巢。
In August of the second year, he found a handful of Chinese crested terns nesting among a colony of greater crested terns.
小岛周围是棕色的激流。当我们靠近，可以发现，头顶上有大量的大凤头燕鸥、黑尾鸥盘旋，鹇白鹭飞在最外边。
Around the islets, a brown riptide; above, as we approached, a swirling ball of greater-crested terns and black-tailed gulls, with Swinhoe's egrets orbiting around the outside.
半月岛以其岛上的南极燕鸥、黑背海鸥和析居山顶的帽带企鹅而闻名。帽带企鹅颈部有一圈细细的黑色羽毛，形似帽带，它们就因此得名。
Half Moon Island is known for Antarctic terns, kelp gulls and a hilltop rookery of chinstrap penguins, named for the thin line of black feathers that runs beneath their necks.
半月岛以其岛上的南极燕鸥、黑背海鸥和析居山顶的帽带企鹅而闻名。帽带企鹅颈部有一圈细细的黑色羽毛，形似帽带，它们就因此得名。
Half Moon Island is known for Antarctic terns, kelp gulls and a hilltop rookery of chinstrap penguins, named for the thin line of black feathers that runs beneath their necks.
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