For macaques, male bonding is a political move

Contrary to expectations, new evidence shows that unrelated male macaques in the wild form close and stable social partnerships with select males in their groups. Although the degree of emotional attachment obviously can't be measured, those relationships resemble human friendship, according to researchers who report their findings online on Nov. 18 in Current Biology, a Cell Press publication. What's more, it appears the motivation for those males to maintain close ties with other males is political in nature.

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