Some birds can even sing lyrics with a vibrato befitting of a pop music diva.
According to the Kaytee Companion Birds Web site, you can begin teaching your bird words or whistle songs as soon as it becomes tame and trusting. Picture courtesy of Eyewitness Natural World South American blue and yellow macaw The best way to teach a bird to talk, according to Kaytee, is to use the same words whenever a similar action is done. Birds seem to learn words by associating them with a specific action. Use your bird's name whenever you talk to it. Of course, some birds are better talkers than others.