Scientific American on Wild Horse Studies · 5:05pm May 31st, 2018
https://www.scientificamerican.com/article/the-secret-lives-of-horses/
Observations from long-term studies of wild horses show that the conventional, male-centric view of their power dynamics is wrong.In fact, females often call the shots, employing tactics such as cooperation and persistence to get their way.
Whenever someone tries to claim that horses have harems, keep this in mind.