https://www.newsobserver.com/news/state/north-carolina/article273070680.html

«Corolla has a herd of about 100 free-roaming horses known to engage in brutal fights, with stallions biting, kicking and butting each other to defend turf and win females, experts say. The tactics are also used when parents force older offspring to leave the family and find a mate.»

Hmm. Maybe I’ve been doing it wrong. (Parenting, that is.)