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Keywords from Image Description:
BradyornisTreronKeulemans. Treron calvus wakefieldii Bradyornis subalaris sic Mombas Bradornis pallidus subalaris Sharpe Sharpe Adults of Pale Flycatcher above and African Greenpigeon below Proceedings of the Zoological Society of London archive org vol archive org page plate LVIII published Creator John Gerrard Keulemans