A little bird doesn't mope around because it isn't an eagle, or because another bird discovers tasty food.

小鸟不会因为自己不是雄鹰，或是因为别的小鸟发现了美食而闷闷不乐。

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A couple call at another bird that has invaded their territory.

天鹅夫妇对侵入自己领地的鸟儿大吵大嚷。

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"If another bird was watching, they'd wait until that bird was gone and then move the food," Clayton says.

如果被其它鸟儿看着，它们会耐心等待，直到那鸟儿飞走它们才会搬动食物。“ Clayton说。”

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"When a bird hears another bird singing or sings himself, this seems to engage a very large number of genes in the brain.

VOA: standard.2010.04.05

The Germans bring in these falcons and they go out and they munch the pigeons; and so this was another reason for them, just like the Germans, these poor little pigeons who became the sort of sacred bird, I guess a pigeon's a bird.

德国人带了很多隼到法国,用以捕杀信鸽,这是改用热气球的另一个原因,拜德军如此行为所赐,可怜的鸽子成为了圣鸟,我想鸽子是一种鸟吧

耶鲁公开课 - 1871年后的法国课程节选

Another reason for the increase in bird strikes is the growing popularity of air travel in the United States.

VOA: special.2009.04.01

There is likely to be more clarity in January as to how all this money would be allocated, at yet another bird-flu meeting.

ECONOMIST: Calls for more money as the threat looms ever larger | The

Shapiro's group compared the sequences of a pigeon taken from an overpass in Utah and another bird living by a lake in Virginia.

BBC: Pigeon DNA gives up fancy secrets

This was the sound of a propane cannon, another bird-intimidation device.

NEWYORKER: Unconventional Crude