Hai Collection, Middle Volume Radical: Bird (niǎo) Character: Bu Kangxi Strokes: 18 Page 1489, Entry 28 Broad Rhymes (Guangyun): Pronounced bu. Bu is the name of a bird. Collection of Rhymes (Jiyun): Bu is a cuckoo. Another source states it is a bu-gu. Rhyme Dictionary (Zihui): Bu is a cuckoo. Broad Rhymes (Guangyun): Pronounced bu. Bu is a bird. Collection of Rhymes (Jiyun): Pronounced pu. It is a goose. Collection of Rhymes (Jiyun): Pronounced pu. Refers to the chest of a bird.