The parrot video linked at the top of the article is also worth watching, along with a follow-up read of the text related to the video (npr.org):

video: http://t.co/M3qL1or article: http://www.npr.org/blogs/13.7/2011/04/07/135209962/watch-lis...

I should also add that the top youtube comment for this video (a transcription of the bird's conversation) is actually the most useful (perhaps only useful) youtube comment I've come across.