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蜂鸟是雨燕目蜂鸟科动物约600种的统称_图文

蜂鸟是雨燕目蜂鸟科动物约 600 种的统称,是世界上已知最小的鸟类。 蜂鸟身体 很小,能够通过快速拍打翅膀(每秒 15 次到 80 次,取决于蜂鸟的大小)而悬停

在空中。蜂鸟因拍打翅膀的嗡嗡声而得名。蜂鸟是唯一可以向后飞行的鸟。蜂鸟 也可以在空中悬停以及向左和向右飞行。 蜂鸟色彩鲜明, 常和雨燕同列于雨燕目, 亦可单列为蜂鸟目。分布局限於西半球,在南美洲种类极多。约有 12 种常在美 国和加拿大,只有红玉喉蜂鸟繁殖於北美东部新斯科舍到佛罗里达。


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