Zi Collection, Upper Volume, Page 16, Entry 03 Radical: Bird (niǎo) Pronounced diao (level tone) — "Book of Rhymes (Jiyun)" Also: Pronounced chao (level tone) — the sound of a bird. Also: Pronounced tiao (level tone) — the tail feathers of a bird are upturned. Zi Collection, Upper Volume, Page 16, Entry 04 Radical: Bird (niǎo) Pronounced jiao (level tone) — "Jade Lexicon (Yupian)" Also: Pronounced xiao (level tone) — "Book of Rhymes (Jiyun)" The appearance of feathers.