It represents good feng shui and good fortune.
It has been recorded in ancient books that birds are a symbol of good luck and are also very spiritual animals. If they come to your home, it means that your home has good feng shui and may have good fortune in the near future.
If a flying bird makes a nest under the eaves, it implies that the family will have good fortune. The feng shui of the home is also very good. The bird is also a navigation and a weathervane, bringing good luck and luck.