Clown on the Farm (1952)

Baby Huey, the man-sized duckling, wants to play circus with the regular-size ducks, and they trick him into a barrel which almost goes over a cliff. It doesn't but it puts him into the hands of a hungry fox, who tries all manner of tricks to make Baby Huey palatable. They all fail and Baby Huey winds up as the circus ringmaster, putting the defeated fox through all kinds of tricks.