A large, swift-running flightless bird (Struthio camelus) of Africa, characterized by a long bare neck, small head, and two-toed feet.It is the largest living bird.

 
  • 鸵鸟:非洲一种体形巨大、不会飞但奔跑迅捷的鸟(鸵鸟) ,特征为脖子长而无毛、头小、脚有两趾。
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