They are many different kinds of ducks and they live on the lakes and rivers of the world. They have short legs and feet which short  good for moving in the water, but not very good for walking or running. 

Many of them have long necks which they use to get to their food under the water. They often fly to different places to find food. Ducks eat small frogs and small aquatic little water animals. Some people have ducks because it has eggs and meat are good to eat. People also have some kinds of ducks because they like them at their beautiful colours.

Swans are heavy birds, swans they can also fly too. They fly to far places to find more food.  They usually places for their eggs out of gass, on the ground or on little islands