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A ratite bird order : cassowaries and emus .

平胸类鸟目之一；食火鸡和鸸鹋。

For the kiwi is a ratite .

因为奇异鸟是平胸鸟的一种。

A ratite bird order : ostriches and related extinct birds ; known from the .

平胸鸟目；产于新西兰最近灭绝的不会飞的鸟类。

A ratite bird order : flightless ground birds having vestigial wings and long bills and small eyes : kiwis .

一种平胸鸟目；小眼睛长嘴且翅膀已退化的不会飞的鸟类几维。

A ratite bird order : birds intermediate in characteristics between ostriches and emus : recent and extinct rheas .

平胸类鸟目之一；介于鸵鸟与鸸鹋之间；近来灭绝的美洲鸵。