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The World War II Tool That Changed How We Listen To Birdsong - io9


Cara J

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The World War II Tool That Changed How We Listen To Birdsong

io9

In past centuries, birdsong experts tried to distinguish mockingbirds from thrashers by keeping their ears peeled. These days, they're better served by eagle eyes. When studying birdsong, contemporary ornithologists use their vision as often as their ...

 

Read more: http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNGGFCSaf-h2-yZqD78Y4gWAmHC8_A&clid=c3a7d30bb8a4878e06b80cf16b898331&ei=leBYVqGKB6jt8wHWnKnoBg&url=http://io9.com/the-world-war-ii-tool-that-changed-how-we-listen-to-bir-1744906040

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