Ducks, mandarin ducks, etc. They are all ducks. Some of these animals have been domesticated as poultry by human beings, such as wild ducks, Hongyan geese, European geese and muscovy ducks. These members have different shapes and habits: some eat plants and some eat fish; Some can only float on the water, and some are good at diving; Some birds have the strongest flying ability, while others are not good at flying. Some swans, such as the wart-nosed swan and the big swan, are among the largest swimming birds and one of the largest flying birds. The wart-nosed swan is also the most elegant bird, which is common in parks in Europe, but rare in China.
The ancestors of domestic geese are geese, which were domesticated by humans about three or four thousand years ago. It is raised all over the world.
Goose head is big, beak is flat and wide, and there is sarcoma on the forehead. The neck is long, the body is broad and strong, the keel is long, the chest is full, the tail is short, and the feet are webbed. Herbivorous, cold-resistant, gregarious, disease-resistant. It grows faster and lives longer than other poultry. Weight 4 to 15 kg. The incubation period is one month. Habitat near ponds and other waters. Good at swimming. The main breeds are Lion Head Goose and Taihu Goose.