http://blog.newsweek.com/blogs/labnotes/archive/2007/09/11/food-for-sex.aspx. . . among chimpanzees, at least. Although chimps share meat (such as small monkeys) that they have hunted, mostly to cement alliances, they almost never share the plants they have foraged. The reason seems to be that hunting is risky and strenuous,enCommunityServer 2.1 SP2 (Debug Build: 2.18)