The explanation of the word "geese return" means that they have left, and leaving and returning contain biological reactions to seasonal climate and environment.

Spring has come, and everything has a new beginning. When the new year comes, we all have a new starting point. Wild geese are very suitable for feeding their young because of the long sunshine time, abundant food and few enemies in summer in the north, so they always return to their hometown to breed in spring.

The return of geese is also a popular science essay. Aldo leopold, a famous American environmentalist, pioneer of environmental protection, "father of wildlife protection" and "father of wildlife management in the United States", is known as "American prophet", "enthusiastic observer, keen thinker and accomplished literary master".

By observing the gathering routine of spring geese, people noticed that all solitary geese have one thing in common: they frequently fly and sing, and their voices are melancholy, so people concluded that these solitary geese are sad and single.

Since the Pleistocene (early Quaternary, 6.5438+0.6 million years ago to 6.5438+0.0 million years ago), every March, geese have sounded the horn of unity, from China Sea to Siberia, from Euphrates River to Volga River, from Nile River to Murmansk, from Lincolnshire to Spitsbergen Islands.

Due to the international migration of this wild goose, Illinois corn grains can pass through the clouds and be taken to the permafrost in the Arctic. In this annual migration, the whole continent got a useful and wild poem that fell from the sky in March.

Distribution of geese in this area;

Distributed in North America, including the United States, Canada, Greenland, Bermuda, Saint Pierre and Miquelon Islands, and the transitional zone between North America and Central America in Mexico. Eurasia and North Africa, including the whole of Europe, Africa north of the Tropic of Cancer, Arabia and Asia north of the Himalayas-Hengduan Mountains-Minshan Mountains-Qinling Mountains-Huaihe River.

Heilongjiang in China, including Hulunbeier League, Harbin, Liaoning, Xinjiang, Tibet, the eastern coastal provinces to Taiwan Province Province, the west to Hubei, Hunan is endemic in winter. At the time of recording migration, frontalis subspecies were found in northeast China, Shandong and Hebei. The wintering areas are in the Yangtze River basin and Hubei, Hunan and Taiwan Province provinces in the east. Also found in southern Tibet. There are about 20,000 individuals in Poyang Lake in winter.