I just found this thread, my chickens are swimmers too. I have a stream and when it floods they go in and paddle about. Rooster do t though. Because there feathers are more defence than water resistant they get sodden quickly. My frizzle hates it and when the hens go in an eat the floating grass he just can't understand. One day he tyres to jump across but it was very wide that day as just had a storm so he landed in it, panicked and suddenly started thrashing, then my welsummer walked over and h realized that he could just touch the bottom. My welsummer and Wyandottes are the best swimmers.
Nice!
Thanks for sharing!