Cockatoos come in more colors than you might think! There are the standard white ones, and then you have your Sulphur-Crested Cockatoos, Salmon-Crested Cockatoos, Moluccan Cockatoos, Palm Cockatoos ...
When recognising a new species or subspecies, a “holotype” (i.e., the specimen from which the subspecies or species was first described) is required. The holotype for Calyptorhynchus banksii ...