I have a (mostly)tame budgerigar that also mimics human speech and other sounds.
Something odd happened last night; about a month or more ago, I was trying to teach him to mimic a specific new phrase - the first bit of the ‘Manah Manah’(sp?) song made popular by the muppets - but anyway he didn’t seem to be picking it up and at least a couple of weeks ago, I just sort of stopped trying. He has since learned a number of other short words.
So last night, he was sitting on my shoulder, making a wide range of sounds and muttering broken and complete words and phrases, when suddenly, he uttered a sound that was unmistakably the ‘Manah Manah’ song, although it was far from perfect in its rendition.
As the evening progressed, he happened to say it again and again, and without any further training or repetition of the desired phrase, his rendition of it became noticeably clearer.
This got me to thinking, but I think I’ll insert a disclaimer first:
There follows a piece of possibly rather fanciful speculation; I am well aware of the dangers of generalising based upon small, informal data sets, as indeed I am aware that the plural of such small informal datasets is not considered admissible as hard evidence to those that would desire such. Finally, I am also aware that laymen are prone to silly anthropomorphism as well as general misinterpretation of observations; if, by the end of reading this post, your only purpose will be to remind me of something in this vain, please consider expending the energy elsewhere.
Now I’d have fully expected him to have to practice a bit in order to improve his performance of any phrase to concert standard, but what’s odd here is that, unlike when he was taught the other phrases in his vocabulary, there has been a period of at least two weeks in which he has not heard the phrase, yet he still managed to say it, BUT he still required practice to get it right.
I’m sure there are any number of possible explanations to this, but to me, the most blindingly obvious would seem to be that he has eidetic recall of sounds; that he was not only able to remember the sound, but was, in some sense, replaying it internally to himself in order to practice and improve his mimicry of it.
So… finally, the general question is this: has there been any research with results in this sort of field - as to how birds might perceive and remember sounds?