澳大利亚的一个孤岛上生活着一种鸟,因有着尖而长的喙而得名为长喙鸟,靠啄食一种蒺藜的果子为生。就像人有美丑高矮之分一样,长喙鸟也有长喙的和短喙的。短喙的鸟一孵出来就被视为残疾,母亲在它们满两个月后就会抛下它们不管了。因那种蒺藜果浑身长满了坚硬的刺,只有喙长的鸟才 An isolated island in Australia lives on a bird, named after the long ostrich because of its long, sharp emu. Just as people have the distinction between beauty and ugliness, long ostriches are also long and short. Short-billed birds are considered to be disabled as soon as they are hatched, and mothers leave them for two months after they are full. Because of that kind of fruit covered with hard thorns, only the long bird