2. Every autumn, the cold climate in the north is no longer suitable for geese to survive, and geese will fly to the warm south.

3. Wild geese fly to the south of China for the winter from their hometown of Siberia in autumn and winter. The following spring, after a long journey, they returned to Siberia to lay eggs and breed.

4. The flying speed of geese is very fast, which can fly 68 ~ 90 kilometers per hour, and the long journey of thousands of kilometers has to fly for a month or two.

5. During the long journey, the team of geese is very well organized. They are often arranged in herringbone or zigzag. As they fly, they keep making "honk, honk" calls. This call of geese plays a signal role in caring for each other, calling, taking off and stopping.