I think raccoons have talked to may horses , I have 2 arabs and a 1/2 and my mare can open barrel (stall latches ) in 2 seconds , she taught the younger horse too. We had a cyclone fence gate 3 foot for me to walk thru. I had a chain over it and it had a lift latch. One day she lifted the chain off , then flipped the latch in about 5 seconds. I now keep a hotwire strand across all gates and have horseproof latches (we call them 'I.Q." latches , because an engineer we know couldn't open our gate one day, duh ;0) and I put a chain and caribinerer (sp?) on all gates.
And the younger horse can also untie himself, wtih lots of loops etc, he can still do it......
I think there are EE, "Escape Everything" animal groups that meet at night....
I think coons are North American Monkeys........