Female sexual swellings are a key obstacle to peaceful interactions among chimps & bonobos. http://booksandjournals.brillonline.com/content/journals/10.1163/1568539x-00003335 …pic.twitter.com/gs8gtucVUZ
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@DegenRolf So this is not inter-species interaction (bonobos & chimps together); it's intra-species interaction, bonobo-to-bonobo?
@legendre007 Yes, though it is mostly not as fierce a what occurs in chimpanzees. De Waal says so in the text, didn't know myself.
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