Swan is a kind of wild goose bird, which belongs to swimming birds and likes to live in lakes and swamps. It is an omnivore, mainly feeding on aquatic plants, but also eating snails, mollusks and so on. Swan is widely distributed in all continents except Africa and Antarctica.
Introduction to swan:
There are many kinds of swans, such as big swan, little swan, wart-nosed swan, black swan, black-billed swan and black-necked swan.
Most swans are monogamous. They live together all their lives and reproduce once a year. Their eggs are very big, up to 400 grams.
Swan is a winter migratory bird. In China, it flies from south to north from March to April every year, and moves south in groups after 65438+ 10.