I take care of horses as part of my job/hobby.
If a horse has a crazy look in their eyes, either carefully approach, or don’t approach at all. One of the mares I was training was abused by a human male, and she was VERY knippy with her teeth. You could lose an ear, or a finger because of her.
Wild horses are worse.
I’m not shitting you. If a wild horse comes up to you at sunset it’s because it’s going to bite you for being in it’s territory.
Horses can be majestic as fuck, but they have the jaw strength to rip your arm off.