Goose is a kind of poultry. Adult geese are bigger than ducks, with sarcoma on their foreheads, long necks, flat and wide mouths, webbed legs and short toes, and white or gray feathers. Can swim, eat whole grains, vegetables and so on. Both meat and eggs can be eaten. Gosling is a newly hatched goose with alternating yellow or tan down, flat mouth, orange soles and mouth. Duck English name: duck. Chordata phylum, Vertebrate subphylum, ornithoptera, duck genus, domesticated from wild ducks and spotted ducks. It is an ordinary poultry. Duck is a general term for waterfowl of the family Anatidae. It is an amphibian. But you can't stay in the water for long. It is an oviparous animal. Ducks and swans belong to chordates, birds, suborders and anatidae.