David Attenborough looks at the problems of bringing up youngsters and finds that nature's answers are as varied as those in human societies. Show more
David Attenborough examines the lengths creatures will go to in order to make babies - to continue the line by passing on genes is the ultimate triumph. Show more
First broadcast: on BBC FourLatest broadcast: on BBC Four
David Attenborough and Cynthia Moss narrate a film about the life of elephant matriarch Echo and her family, residents of Kenya's Amboseli National Park. Show more