I have read that they can be taught to mimic sounds and talk but it is not nearly as clear as a African Grey or Double Yellow Head Amazon.
http://www.loveyourparrot.com/rosellas.html
http://wikipedia.org/wiki/Eastern_Rosella
http://wikipedia.org/wiki/Rosella
This is a Simple Dialog Demo.
lizhamilton49
FISH-O
Dollybird
