I just have to tell you how helpful this thread is. I read the whole thing & the one thought that really struck me was something I think you said about the parrot communicating & its owner not answering back. The fact that they communicated and without the proper feedback, they wonder if they really did it right?
My Maui whistles up a storm. I noticed her whistling little snippets from Andy Griffith & The Adams family. When I whistled back, you could almost sense the excitement in her voice! It was like she was thinking, "They finally understand me!"
Now, throughout the day, she whistles snippets & I answer back & she whistles more. It's like she was checking to see if she was doing it right & was delighted to find she was, so she is doing it more.
Make sense?