ArticleBody:Scientists and enthusiastic dog owners alike have long quibbled about what attributes or tendencies make one animal smarter or more intelligent than another. But as animal researchers have applied various intelligence tests to a wider net of living things in recent years, the dividing lines have only gotten murkier.
Researchers from Northeastern University, MIT, and the University of Glasgow recently trained 18 parrots to use a specially designed tablet to communicate with one another. When the parrots rang a bell their caretaker would show them the tablet screen which had pictures of other parrots they had previously video chatted with. The parrots repeatedly requested to chat with their long-distance friends.
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