The three species to the genus Zanda are already variously regarded as two, then as just one species for rather a while. Inside of a 1979 paper, Australian ornithologist Denis Saunders highlighted the similarity between the quick-billed and also the southern race xanthanotus on the yellow-tailed and dealt with them https://howmuchdoesaumbrellacocka71582.idblogmaker.com/35691445/the-best-side-of-how-much-does-a-umbrella-cockatoo-cost