There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before.
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‘The Americas' Spent 5 Years Filming Wildlife - and Discovered New Species in the Process
The rise in camera quality has also led to ever more fascinating nature documentaries - and none are as big and as bold as NBC's 10-part "The Americas." Covering the entirety of the North American ...
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