Primates sound like humans: Lip-smacking calls may be evolutionary link.
Eerie Human-Like Primate Calls Entrance Researchers (VIDEO)
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April 9 2013 4:16 PM

Eerie Human-Like Primate Calls Entrance Researchers (VIDEO)

Researcher Thore Bergman became interested in the gelada's vocalizations after continuously mistaking the primates’ calls for other human voices calling out to him.

Chris Wade is a New York-based video and audio producer and an occasional contributor to Brow Beat.  

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