A Raft of Ducks

I googled "a group of ducks" in order to know what to call the flock that has taken residence in my front yard. It is a raft of ducks unless they are on water and then it becomes a paddling of ducks. The raft of ducks has decided that their backyard oasis across the street is no longer adequate. I wondered what makes my yard so appealing. Are they going to eat my flowers and destroy my lawn? Can I just let down my hair and let my kids enjoy watching them? After all, they chose our yard for a reason. I learned that reason yesterday as I caught #1 sneaking bread out of the house. Yes! She's been feeding them. Now if I could just get her to squirt the poop off the sidewalk...