BirdLife Data Zone. datazone.birdlife.org. [2023-10-26]. (原始内容存档于2023-10-26) (英语).
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CITES. Appendices(PDF). Convention on International Trade in Endangered Species of Wild Fauna and Flora Main navigation. [2023-06-24]. (原始内容存档(PDF)于2023-07-02) (英语).
CITES. Appendices(PDF). Convention on International Trade in Endangered Species of Wild Fauna and Flora Main navigation. [2023-06-24]. (原始内容存档(PDF)于2023-07-02) (英语).
BirdLife Data Zone. datazone.birdlife.org. [2023-10-26]. (原始内容存档于2023-10-26) (英语).