Can you teach a parrot to count?

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

04 January 2016

4 minutes

This clip is from

Discovery—Nature's Numbers

Watch Teres the lemur solve a maths problem
Duration: 00:30
What do lemurs know about maths?
Duration: 02:38

COP26: Bringing nature back to areas affected by deforestation
Duration: 02:41
Is sucking carbon directly from the air an effective climate solution?
Duration: 05:16
Climate change in India: The young inventor's solar-powered ironing cart—Earthshot 1
Duration: 02:21
The flies turning waste into food, fuel and fertiliser
Duration: 01:58