Number of bird individuals from different sources in China.

†Specimen sources are divided into nine categories: A, Artificially propagated plants; C, Captive-bred animals; D, Appendix-I animals bred in captivity or Appendix-I plants artificially propagated for commercial purposes; F, Animals born in captivity including F1 and subsequent; I, Confiscated or seized specimens; O, Pre-Convention specimens; R, Specimens of animals reared in a controlled environment; U, Source unknown which must be justified; W, Specimens taken from the wild. ‡There was no record for live bird trade.