David Attenborough and Cynthia Moss narrate an award-winning film about 18 months in the life of elephant matriarch Echo and her family, who live in Kenya's Amboseli National Park.

David Attenborough travels to the remote highlands of New Guinea and the rainforests of Australia to explore the little-known world of the bower bird, a fascinating creature which flaunts its charms, steals for its own purposes and indulges in spiteful acts - all in the pursuit of the opposite sex