To say that Mariska, a Friesian mare who resides at the Misty Meadows Farm in Midland, Michigan is a smart horse, is an understatement. After all, which animal can figure out how to escape from its stable by deftly open the latch! If that doesn't impress you how about this? After she strolls out, Mariska calmly goes and opens the stable doors of her friends and encourages them to take off too!