The problem goes all the way back to Eve.
Nowhere is it more evident than in the wild horse world.
Refer to this opinion piece in Compact for a survey of the situation.
It is still controversial, even in conservative circles, to say that there are too many women in a given field or that women in large numbers can transform institutions beyond recognition in ways that make them cease to function well.
The Great Feminization
Western Horse Watchers Association 