| Information Source for Taxonomy: | Baptista, L.F., Trail, P.W., Horblit, H.M. & Boesman, P. (2017). Christmas Imperial-pigeon (Ducula whartoni). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions
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