Yes because they bite them and give they itch and the give them small lumps.
Horses antural enemies are pretdators
Horses may have natural enemies such as predators like wolves, mountain lions, and coyotes. They can also be susceptible to diseases transmitted by insects like ticks and mosquitoes. Additionally, horses may face threats from human activities such as overbreeding, habitat destruction, and improper care or training.
No, horses are mammals
No. I do not think that horses have enemies. If they do, I think it is probably a wild horse to have most of enemies.
To escape their enemies.
humans
A painted horses enemy is a snake I think?
pretends
A horses color does not affect it's predators or enemies. typical predators ( which can be viewed as 'enemies' to the horse) are feral dogs, wolves, cougars, bears, and even humans.
The enemies of a Camargue horse are the same enemies that other horses have. These enemies include the bear, wolf, and coyote.
Varroa mite
they are scared of spiders