The gyrfalcon, an Arctic bird of prey, has survived a close brush with extinction; its numbers are now five times greater than when the use of DDT was sharply restricted in the early 1970's.
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Aextinction; its numbers are now five times greater than
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Bextinction; its numbers are now five times more than
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Cextinction, their numbers now fivefold what they were
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Dextinction, now with fivefold the numbers they had
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Eextinction, now with numbers five times greater than
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