Chimpanzee

Extra vigilance

Chimps are exceptionally cautious when they cross the busy road in Uganda’s Kibale National Park. Ninety-two per cent of them looked right, left, or both ways before or during crossing, and 57 per cent ran across – showing that they knew the value of reaching the other side as quickly as possible.

Read the complete scientific report in the American Journal of Primatology.

 

 

 

 

Read in full.