What do hyenas, killer whales and elephants have in common? They’re members of an exclusive club where female bosses are the norm.

New research has found that of the more than 5,000 known species of mammals, just a handful are led by females.

As humans puzzle over the glass ceiling and how to get more women into leadership, could it be possible to learn something from the outliers of the animal kingdom?

More information: http://www.bbc.com/capital/story/20180925-with-females-in-charge-bonobo-society-is-more-chilled-out