Rosyadi, I., Udin, J. S., Noske, R. A., & Mahroji, M. (2019). Breeding season of the Endangered White (Umbrella) Cockatoo, and possible competition for nest holes with Blyth’s (Papuan) Hornbill in North Maluku, Indonesia. KUKILA, 21, 35-42. Retrieved from https://kukila.org/index.php/KKL/article/view/538