Back when I was a kid we owned a few horses and they'd do this a lot. When I asked the same question, I was told that it was for a few reasons, including:
there really is no answer for that, it could be just by complete accident. If the horse is in a stall it could be because he doesnt want to do it any other corner.
It cools them off and gives them a protection from flies and other bugs. (plus they know it bugs you!)
it is manly called dung. but some people call manure or droppings.
yes. all horses like water.
No! Horses should never drink dirty water. They should have access to clean water at all times.
Water
No rust in a horse's water does not harm the horses. Our horses have rusty water and they in perfect health.
chicken poop is very harmful to horse because if they eat it they could get a fices disease.
horses and cows have a similar diet and their both large animals
It goes to your inventory, and then you can sell it for 3 equus.
because their digestive systems work in different ways.
Well it can be all sizes. small horses usually have smaller poo whilst large horses have bigger poo.
No horses don't poop in one place. Unless you have trained them to use a specific corner to use as a toilet, which there isn't a single horse known to do that, your going to have to stick to walking around piles everywhere.
it is manly called dung. but some people call manure or droppings.
Because they are specially trained
human
under water
they poop in it
you eat poop swim right after it do a ton of flips in the water wait till you puke poop