The three species over the genus Zanda have been variously regarded as two, then as one species for fairly some time. Inside a 1979 paper, Australian ornithologist Denis Saunders highlighted the similarity between the brief-billed together with the southern race xanthanotus around the yellow-tailed and addressed them as just one https://arthurwjhvf.blogocial.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-umbrella-cockatoo-mating-72262934