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1. Carey G.J. et al (2001) The Avifauna of Hong Kong, Hong Kong Bird Watching Society.


2. Gochfeld, M. and Burger, J. 1996. Family Sterinidae (Terns). Pp. 624-668. In Hoyo, J. del, Elliots, A. and Saragatal. J. (eds.). (1996) Handbook of the Birds of the World. Vol. 3. Hoatzin to Auks. Lynx Edicions, Barcelona.


3. Viney C. et al (1996) Birds of Hong Kong and South China