Zi Collection, Upper Volume, Page 33, Entry 07 Radical: Bird (niǎo) Pronounced hong (rising tone). Pronounced hong (rising tone). This is the sound of birds flying. In "Classified Readings" (Yupian), it is explained as a flock of birds flapping their wings. Also, in "Rhyme Dictionary" (Guangyun), the pronunciation is indicated as hu hong qie, and in "Collected Rhymes" (Jiyun), it is hu heng qie, with the same pronunciation as "hong" (rising tone). The meaning is the same. In "Classified Readings" (Leipian), it is sometimes written as.