Par vēsturi nezinu, bet
Vismaz ziloņi rūpējas par slimajiem. http://www.savetheelephants.com/images_user/publications/pdf/2006%20Douglas-Hamilton%20et%20al%20Behavioural%20reactions%20of%20elephants%20to%20a%20dying%20matriarch.pdf

Vismaz bonobo kopojas ar seju pret seju. http://www.primates.com/bonobos/bonobosexsoc.html

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a kur bildīte?

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(Reply to this) (Parent)

Hmm, neielika bildiiti, lai ir vismaz links:
http://milmaisuma.leiturascom.net/arquivo/bonobo-sex-.jpg

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