Bussière, Hélène, Baptiste Mulot, Eric Bairrão Ruivo, and Eric Pasquet. “Subspecies Identification With MtDNA and Morphometrics in Captive Palm Cockatoos, Probosciger Aterrimus”. Journal of Zoo and Aquarium Research 2, no. 1 (January 31, 2014): 1–7. Accessed May 5, 2024. https://www.jzar.org/jzar/article/view/60.