At night, geese live in swamps. The author says this is their party, and he likes to listen to the sound of the party.
In the author's mind, geese have a unified concept, which can be described as global integration, which is beyond human beings.
In the author's opinion,
The migration of wild geese is poetic and beneficial to human beings, which is the call for the return of wild geese.
, is a wild poem.
In a word, the author thinks that geese are human companions, so he likes geese.