Maybe I misundersdtand your question, but I was under the impression that we more or less know about >why parrots are not going to parrot work to earn parrot m

Maybe I misundersdtand your question, but I was under the impression that we more or less know about >why parrots are not going to parrot work to earn parrot money and to a certain degree about communication and society. We know and understand how different species organise their life in many various ways.