The painting hall starts in the morning to report the falling snow. Li Bai's "Qing Ping Le", the bright moon shines on the snow, and the wind is strong and sad. -Source: Xie Lingyun's "The Year of the Year", a thousand miles away in Huang Yun, it is daytime, and the north wind blows snow one after another. -Gao Shi's "Bie Dong Da", the wild duck is a typical representative of waterfowl, and the wild duck is the common name of mallard in the northern hemisphere.
introduction of wild ducks
wild ducks belong to ornithoptera, Yaniformes and Anatidae, with a large number, which is the popular name of many kinds of wild ducks, with more than ten species. Wild ducks can make long-distance migration flights, and the highest flight speed can reach 11 kilometers per hour. The mallard ducks are mainly distributed in northeast China, Xinjiang, Tibet, Hebei and other places to breed, and overwinter in the Yangtze River valley or more south areas in winter.
The female duck is relatively small, with a body length of 5-56 cm and a weight of about 1kg. The ducklings are covered with dark gray down feathers, with pale yellow down feathers on their faces, shoulders, back and abdomen, gray beaks and feet and yellow toes and claws. The mallard duck is timid and vigilant, and exclaims when strangers, livestock and wild animals approach.
Wild ducks have the advantages of adapting to the extensive feeding environment, growing faster and having higher survival rate. When they are raised in simple bamboo sheds, the survival rate in one month is as high as 98%, and the breeding of wild ducks is also early, and eggs can be seen at the earliest age of 164 days. It can hatch and brood all year round to produce commercial wild ducks and lay eggs in winter.