Episode details
Available for over a year
Professor Irene Pepperberg reveals the impressive numerical abilities of Alex, the African Grey Parrot. She tells the story to presenter Alex Bellos. Image: Getty images
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Professor Irene Pepperberg reveals the impressive numerical abilities of Alex, the African Grey Parrot. She tells the story to presenter Alex Bellos. Image: Getty images
Programme Website