I found this interesting web site about the budgerigar and its uniqueness, with a couple good videos on training your pet budgie. hope you like it as much as I did. -

 

http://trainedparrot.com/Parakeet/

I agree, budgies are amazing creatures, a really good video is of a man and his budgies at a restaurant where they shows plays while eating, and he was just amazing with what he did with those birds.