cocky

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.

'I'll get down among the cockies along the Lachlan or some of those rivers,' said Mitchell, throwing down his swag beneath a big tree. 'A man stands a better show down there. … One cocky I worked for wanted me to stay with him for good. Sorry I didn't. [...']