On March 3, it was flying north, but it was going to fly back to the north from the south. Flying in the south begins in autumn, about September. The home of these geese is in Siberia. Every autumn and winter, they migrate to the south in droves. There are two main ways to fly: one route starts from the northeast, passes through the Yellow River and the Yangtze River valley, reaches the coastal areas of Fujian and Guangdong, and even reaches the Nanyang Islands; The other way passes through Inner Mongolia and Qinghai, and reaches Sichuan and Yunnan, even as far away as Myanmar and India for the winter. The next year, he flew back to Siberia to lay eggs and reproduce.

Seeking adoption is a satisfactory answer.