Callocephalon fimbriatum - Helmkakadu
But then again, you could have googled that yourself.

So zum Beispiel :
http://en.wikipedia.org/wiki/Gang-gang
The Gang-gang Cockatoo, Callocephalon fimbriatum, is found in the cooler and wetter forests and woodlands of Australia, particularly alpine bushland. ... The name Gang-gang comes from a New South Wales Aboriginal language, either Ngunnawal or Wiradjuri. It is possible both language groups called it gang gang. ...
http://de.wikipedia.org/wiki/Helmkakadu
Der Helmkakadu (Callocephalon fimbriatum) ist ein australischer Papageienvogel, der nur im Südosten des australischen Kontinents verbreitet ist. ...