By that time, the white cockatoo—a beautiful bird, as large as a common fowl—would find out the family gathering-place, and waddle along, calling 'Pretty Cocky! Pretty Cocky!' … Presently, Cocky ruffles his plumage till he looks half as large again as before; he throws his crest, with its double fan of brilliantly yellow feathers, as far forward as possible, and spreads and closes it rapidly.