Cleaning up dropped fruit! We have a number of young fruit trees and vines in our yard, and the peach tree was badly infested by worms this year. We were able to eat some of the fruit, but a great deal of it fell to the ground half-rotten. This could have been wasted and, worse, become an attractive nuisance for yellow jackets and other unpleasantness. But every morning, the first thing the ducks do when they're released from Fort Ducks is to run as fast as they can to the peach tree and clean up whatever may have fallen overnight. Problem solved! I love my ducks.