Few animals are completely incapable of swimming if forced to do so. It's an instinctual reaction to try to prevent drowning should they happen to fall into water. That does not mean they enjoy swimming or should be forced to swim. Chickens are not meant to be in the water at all. If they were, they would have waterproof feathering like ducks do. They don't even naturally take water baths in shallow water like other birds do! It's likely very stressful for them whether they seem to be floating calmly or not. In that video, that hen is pretty clearly searching for a way to get out; she does not want to be in the water. Just because she is floating and kicking her feet to move around does not mean she is happy about it. Just my two cents on that topic.
Anyway, back on track, I believe the next hunt was supposed to be any poultry swimming.
