My nephew has a duck his son got from a friend and is unable to keep it where he lives. It has had its wings clipped and he doesn't know if its male or female. He asked me if I wanted it since I have chickens. What is different about raising ducks from chickens? We've had chickens for 2 years now and have a predator proof coop and run. Do we need the same for a duck? Or can it stay with the chickens?