These are called the shovelers. The Northern Shoveler is an example. Some ducks have long and narrow beaks. The narrow beaks are also covered will saw-like edges which help them to grab fish. Sea ducks usually have this kind of beak.
Sea ducks are also divers.
Examples are the Mergansers, Eiders, Harlequins , Goldeneyes and Buffleheads . Some ducks do not dive for food. Their beaks are broad and short. They are called dabbling ducks or dabblers. They eat plants, seeds, grasses and other small insects and animals that they find on or under the water.