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Fellatio in primates

Posted by MHoelling on 05 Nov 2009 at 10:34 GMT

I was surprised to read in this paper that fellatio in primates had so far only been documented in Bonobos.
I had the opportunity to watch this behaviour in Oran-Utans (Pongo pygmaeus) living in the Dortmund (Germany) Zoo in 2008. The Orangs were apparentely unimpressed by the numerous visitors, but no copulation took place.
I think that these observations should stimulate (so to speak) further research.

No competing interests declared.