Will wild Mallard Ducks eat corn?

Yes, wild Mallard Ducks will eat corn. In fact, corn is one of their main sources of food, especially in the fall and winter when other food sources are scarce. Corn provides ducks with carbohydrates, protein, and other essential nutrients. Ducks will often congregate in fields where corn has been grown and will feed on the leftover kernels that have been left on the ground after harvest.