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1 .This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.
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2 .The concrete jungle is no tropical rainforest.
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3 .Replacing trees with buildings means a loss of more than 90 percent of bird species.
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4 .But a new survey suggests megalopolises aren't quite the homogenous ecosystems you might think.
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5 .Yes, meadow grass and pigeons can now be found from Nairobi to New York.
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6 .But so can hundreds of other bird species, most specific to their locale and some even once endangered.
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7 .Like the peregrine falcons that have become so popular in Gotham they even have their own webcam.
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8 .That's according to a new survey of cities and wildlife in 36 countries published in the journal Proceedings of the Royal Society B.
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9 .Cities aren't just for the birds.
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10 .Thousands of plant species thrive in cities worldwide, especially in green spaces.
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11 .Some ecologists even call that the Central Park Effect, because of the surprising density of plants and animals found in that patch.
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12 .Street trees matter too, especially in a city like Singapore that hosts the greatest number of endangered bird and plant species.
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13 .And species can be brought back with a little careful planning, like those aforementioned falcons.
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14 .That means it's in our power to make cities not only a great place for people to live, but a home for wildlife too.
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15 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello. Thank for listening.
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