11 Aug '12, 2am

Gone: a look at #extinction over the past decade #animals #wildlife

Gone: a look at #extinction over the past decade #animals #wildlife

Jeremy Hance mongabay.com January 03, 2010 A survey of twelve species lost to extinction over the past ten years. No one can say with any certainty how many species went extinct from 2000-2009. Because no one knows if the world's species number 3 million or 30 million, it is impossible to guess how many known species—let alone unknown—may have vanished recently. Species in tropical forests and the world's oceans are notoriously under-surveyed, leaving gaping holes where species can vanish taking all of their secrets—even knowledge of their existence—with them. It is also difficult to know when a species is truly gone. Some species reappear after they were thought to be extinct for decades, sometimes even centuries. Officially, species are usually not considered "extinct" until ample time passes without a sighting, for example, fifty years. Still, with many biologists and c...

Full article: http://news.mongabay.com/2010/0103-hance_extinct.html

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