Since first getting goats about 7 years ago or so, I have thought about getting a Fainting Goat. They are quite an interesting mid-size goat that will actually faint it it gets scared or freaked out. I have heard that they were originally brought to AMerica to run with more expensive stock. Then, when a predator comes, the fainting goat would pass out and the others would get away.
Here are some pics of the fainting doe that we have right now: