What Is the Current Extinction Rate?

Species Extinction – The Facts
A NATURAL - AND UNNATURAL – PROCESS

" ... The current species extinction rate is estimated to be between 1,000 and 10,000 times higher than the natural or ‘background’ rate. ..."

http://cmsdata.iucn.org/downloads/species_extinction_05_2007.pdf


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     Martha the last passenger pigeon