WHAT'S THAT ON TOP OF YOUR HEAD?
'<a href="http://www.j-archive.com/media/2008-02-29_DJ_18a.jpg" target="_blank">Those</a> feathers on the top of <a href="http://www.j-archive.com/media/2008-02-29_DJ_18.jpg" target="_blank">this</a> critter's head are called a crest'
a cockatoo