Try out learning about DMOD Script. You could turn the duck into something like rabbits or something.

Or you can try the psycological approach. "The ducks are actually diobolical trolls dessed up like ducks" or "shape shifting necro morphs from the island of slime devels" They only appear like ducks to play on your kind heart.

Feel better now?

By the way Ducks taste similar to chicken but a little more greasy.