Τρίτη, 27 Σεπτεμβρίου 2016

The Complicated Sex Lives of Giant Pandas

Female giant pandas ovulate and are receptive to mating only a few days of the year. And males have some of the smallest penises relative to body size. Alas, sex is complicated and involves squeaks, anal rubbing, male posturing and sitting on each other.

via Live Science http://ift.tt/2d68fcc

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