Parrot's oratory stuns scientists By Alex Kirby BBC News Online environment correspondent The finding of a parrot with an almost unparalleled power to communicate with people has brought scientists up short. The bird, a captive African grey called N'kisi, has a vocabulary of 950 words, and shows signs of a sense of humour. He invents his own words and phrases if he is confronted with novel ideas with which his existing repertoire cannot cope - just as a human child would do. N'kisi's remarkable abilities, which are said to include telepathy, feature in the latest BBC Wildlife Magazine. N'kisi...