Wind back the clock a few hundred million years, and landscapes were completely silent of any truly meaningful communication through sound. So when did animals first find their voice, so to speak, and why?
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Things that make you go hhhmmmm
Wind back the clock a few hundred million years, and landscapes were completely silent of any truly meaningful communication through sound. So when did animals first find their voice, so to speak, and why?
links to content on ABC
Just In