The three species over the genus Zanda have been variously considered as two, then as one species for fairly a while. Inside of a 1979 paper, Australian ornithologist Denis Saunders highlighted the similarity between the short-billed in addition to the southern race xanthanotus to the yellow-tailed and handled them as https://kameronasegs.jts-blog.com/35439549/little-known-facts-about-umbrella-cockatoo-babies-for-sale