Baudin's black cockatoo (Calyptorhynchus baudinii), also known as Baudin's cockatoo or long-billed black cockatoo, is a large black cockatoo found in southwestern Australia. The binomial commemorates the French explorer Nicolas Baudin. It has a short crest on the top of its head. Its plumage is mostly greyish black and it has prominent white cheek patches and a white tail band. The body feathers are edged with white giving a scalloped appearance. Adult males have a dar