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As omnivorous birds, ducks will eat many different foods, and the best foods to offer ducks include: 1  Cracked corn. 2  Wheat, barley or similar grains. 3  Oats (uncooked; rolled or quick) 4  Rice (cooked or uncooked) 5  Milo seed. 6  Birdseed (any type or mix) 7  Grapes (cut in half or quartered if very large)
Fruits such as berries, melons (ducks love watermelon rind), seeded fruits, and pit fruits absolutely make their day. Watching a duck eat a strawberry will make your day too. So go ahead and toss them your left overs or items that are a little too ripe for you. It is a wonderful treat to them.