* Coyote urine: Ducks are afraid of coyotes, so you can use coyote urine to repel them. You can buy coyote urine from hunting supply stores or online.
* Motion-activated sprinklers: Motion-activated sprinklers can startle ducks and cause them to fly away.
* Decoys: You can use duck decoys to scare away ducks. Place the decoys in areas where you don't want ducks to go.
* Scarecrows: Scarecrows can also be used to scare away ducks. Place the scarecrows in areas where you don't want ducks to go.
* Loud noises: Ducks are easily startled by loud noises. You can make loud noises by clapping your hands, banging pots and pans, or playing a loud radio.
* Dogs: Dogs can be trained to chase away ducks. If you have a dog, let it out in the yard when you see ducks.