Yes. Horses don't miss much. Takes a lot of stealth to sneak up on a truly wild bunch.
Yes it is, although cattle- not so much.
I was walking out a few miles back to the truck in the Owyhees well after dark, pitch dark new moon dark. Heard something start rustling, flipped on my headlight and a big dark colored bull was getting to his feet. I was no more than 15 feet from him and let him know I was just passing through. I don't think he ever took a step.
