Mushroom Picking (1953)

Two little rabbits one with long ear and the other with a short tail are good friends. One day, they found a big mushroom in the woods and started a fight for this mushroom. The two good friends quarreled. It suddenly rained heavily in a thunderstorm, and short tail was washed down a waterfall to the bottom of a ravine. Long ear tried to find short tail and finally rescued him from the moat. In the end both are good friends again.

Unfortunately the movie Mushroom Picking is not yet available on HBO Max.