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.

• 黑燕鸥，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。