I've gone through more than 40 chickens so far, sold some, lost some, gave some away.. I have a medium 1/4 acre pond, and have never, ever had anyone drown in it. my chickens stay far away from it... at least 10 feet. They'll wander past it on their way down the driveway, but never even go check it out. and they are not super smart birds. I say throw a floaty in, or tilt a ladder in. My neighbors dog came up one time and scared my young pullets INTO the pond... they swam (sort of like flying, but really bogged down) to a partially submerged tree, and I had to go get the canoe after I'd gotten the dog to leave...sos... and use the paddle to get them off the tree. yeesh. but still, nobody drowned.