How are horses attacked by mountain lions?

Answer:
There have been a few isolated incidents of horses being attacked by mountain lions. The main problem is people are now living in what used to be habitats for wild animals. Mountain lions are less afraid of humans and to the lions, people's pets are concidered fair game. With the horse in an enclosure he won't run far. Mountain lions are known for getting higher than the prey and dropping down on them.
First answer by Rumba. Last edit by Rumba. Contributor trust: 228 [recommend contributor recommended]. Question popularity: 5 [recommend question].