The three species to the genus Zanda are variously regarded as two, then as a single species for quite a while. Inside a 1979 paper, Australian ornithologist Denis Saunders highlighted the similarity between the quick-billed along with the southern race xanthanotus on the yellow-tailed and handled them as one particular https://howmuchdoesaumbrellacocka07393.fitnell.com/77442764/5-easy-facts-about-umbrella-cockatoos-described