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Whether or not our ancestors caused wholesale extinction of the animals they hunted is open to question, but there is no doubt that human hunters over the past three centuries have caused numerous extinctions, and greatly reduced the populations of many species. ... With Spix macaws worth US $80,000 in 1989, and the owners o the few captive birds unwilling to join in captive breeding programs, the species is on the very brink of extinction.
――早稲田大学 第一文学部(2月28日実施)――94年
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