Hummingbirds are the helicopters of the bird world.

蜂鸟是飞禽类的直升飞机。

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I have one of the most beautiful dances in my bird world.

我拥有鸟类世界中最优美的舞姿。

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The Bird World is next to the Monkey Hill. There are all kinds of birds.

鸟世界紧邻猴山，那儿有各种各样的美丽的鸟。

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And they are not rare. Bird Strike Committee USA gathers information about such incidents in the United States and around the world.

VOA: special.2009.04.01

Bird strikes happen all over the world.

VOA: special.2009.04.01

"I think the one story that inspired this book was meeting a wonderful man called Don Mertin in New Zealand and he explaining to me how he had saved a species of bird called a Black Robin when there were just seven individuals left in the world of which only two were female and only one of whom was fertile."

VOA: special.2009.11.18

He first made his living as a kangaroo shooter in outback Queensland where he learned about and fell in love with emus, Australia's largest native bird and the second largest bird in the world after the ostrich.

BBC: The new 'Australian made'

Shanghai is also on guard against bird flu in the real world: Signs in apartment compounds warn residents to watch out for the high fevers, breathing difficulties and other symptoms of the virus.

NPR: China's Bird Flu Response Shows New Openness

According to the World Health Organisation, bird flu has killed more than 330 people since 2003.

ECONOMIST: Flu research and biological warfare