What Not to Feed Ducks. The most common items fed to ducks and waterfowl are also the least nutritious and most unhealthy. Bread, chips, crackers, donuts, cereal, popcorn, and similar bread-type products and junk food scraps are never best to feed birds.

Also, what do ducks eat naturally? Foods ducks regularly eat include:

Small fish and fish eggs. Snails, worms, slugs, and mollusks. Small crustaceans such as crayfish. Grass, leaves, and weeds. Algae and aquatic plants and roots. Frogs, tadpoles, salamanders, and other amphibians. Aquatic and land insects. Seeds and grain.

Likewise, what is OK to feed ducks?

Great foods to feed ducks include: Grapes (cut in half to prevent choking) Cracked corn, barley, oats, birdseed, or other grains. Frozen peas or corn kernels (defrosted first, but no need to cook)

What should you feed ducks instead of bread?

So, if you still feel compelled to feed your local ducks, try these instead of bread:

Corn (canned, frozen or fresh) Duck pellets (sold online and at pet stores) Lettuce, other greens (torn into small pieces) Frozen peas (defrosted) Oats (rolled or instant) Seeds (including birdseed or other varieties)