If we’re including farm animals, Oh hell yes! Geese are vicious mean horrible creatures with a nasty bite. Chickens are evil, llamas are down right surly, emus make geese seem sweet-tempered, and there is very little on the face of the earth that can compete, for pure old-fashioned meaness, with a geriatric Shetland pony.
Buck goats and rams are just stupid and horny – they know they don’t want to mate with you, so therefor, you must want to steal his does.
I’ve never been attacked by a wild animal, but I still have a story. Of course I do, or I wouldn’t be typing this. 
Anyway, once upon a time, one of my numerous damn-fool cousins was out fixing fence one morning, when he felt a kiss on the back of his neck. With an entirely reasonable “WTF?” reaction he turned around to see not his wife, but a little black bear. The little black bear reached out and patted him with it’s paw.
My cousin, being a dumbass as well as a damn fool, reached out and smacked the little black bear with the post hole digger.
Around suppertime, another of my damnfool cousins was dispatched to find his damnfool brother.
Shortly before dark, damnfool cousin #1 was found, out like a light, beside the broken fencepost, the posthole digger and the new fencepost, next to a gap in the fence, amongst the cows. He was diagnosed with (and I quote) “a pretty good concussion and a nice shiner.”
Near as we can figure, the little black bear, being young enough to be curious instead of surly, but old enough to not have Mama Bear close by, thought getting whapped with the posthole digger was a new game, and smacked back. It must have then decided it was a boring new game, and wandered off on its little black-beary way.