Whilst he could determine the tracks they followed were made by a kudu , they could deduce the age of the animal , its speed and direction of travel and how long ago it had passed by .
Attenborough describes his first - hand experience watching bushmen in Africa .
Whilst Attenborough could determine the tracks they followed were made by a kudu , they could deduce the age of the animal , its speed and direction of travel and how long ago it had passed by .
Attenborough describes his first - hand experience watching bushmen in Africa .