Source 119: The following quote is from the website of the Bonobo Conservation Initiative; accessed Feb. 2014 at: http://www.bonobo.org/bonobos/what-is-a-bonobo/. This link may or may not still be operational; if it isn't, we may have redirected it to the WayBackMachine archive.
‘Bonobos are the most vocal of the great apes.’
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