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September 20, 2013
Insect Tinkerbella Nana fairyfly by micrograph, photo by Jennifer Read, Natural Resources Canada

5,000 new species recognized in biodiversity-rich Costa Rica

How many species live on the Earth? Scientists estimate roughly 8.7 million, according to a 2011 study in the journal PLoS Biology, published by the Public Library of Science. The crucial point, however, is that approximately 83% of those plant and animal species have yet to be discovered. Scientists calculate that there are probably 6.5...
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