组图：鸟之国奇异羽毛大比拼 帅出新高度
国家地理2015-08-12 13:50
Cleaning Duties
Cleaning Duties
羽毛清洁工
A male common kingfisher (Alcedo atthis) must pay close attention to the condition of his multicolored plumage. These birds dive into the water to catch prey, but they need to make sure their feathers stay clean and waterproof so they can fly.
一只普雄性通翠鸟(学名为Alcedo atthis)必须得密切留意其多彩的羽毛。这种鸟儿潜入水中捕捉猎物，不过它们的羽毛得保持干净才能防水，使它们飞行。
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