This lyric comes from the song "Cuckoo".

According to the NetEase Cloud Music query, I am a brave bird is a lyric from "Cuckoo". "Cuckoo" is a song written and composed by Anzi and sung by Anzi and Jiumei. It is included in the album "Songs of Drinking and Drinking".

Relevant lyrics include: Cuckoo, singing a moving ballad, singing to the sad person, forgetting everything, flying to the end of the world, I am a brave bird, where Have an eternal smile and give me a warm embrace.