1. Good omen: In the traditional culture of China, Pulsatilla is regarded as a symbol of good luck, and its arrival is regarded as a symbol of good luck.
2. Seasonal changes: Pulsatilla usually migrate in spring and autumn, and their arrival may mean seasonal changes, such as the arrival of spring or the approach of autumn.
3. Suitable environment: Pulsatilla usually inhabits open grasslands, farmland or lakes, and their arrival may mean that the surrounding environment is suitable for birds to survive.
4. Rich food: Pulsatilla mainly feeds on insects and seeds, and their arrival may mean that the surrounding food resources are rich.