Who’s a pretty clever boy then?

A SIX-YEAR-OLD parrot with a 950-word vocabulary, a sense of humour and alleged powers of telepathy is forcing a rethink of the scope for animals and humans to communicate

A captive-bred African grey called N'kisi is one of the most advanced users of human language in the animal world.

The bird uses words in context, with past, present and future verb tenses.