鸦 Strokes Write it Listen 鸦 yā crow; Corvus species (various) HSK 7–9 9 strokes Radical 鸟 Sound + meaning 1 word Built from牙soundyátooth, molar; fang, tusk; serrated鸟meaningniǎobird How it works鸟 hints at the meaning (bird), and 牙 yá hints at the sound.