A ten hour series which presents a comprehensive look at one of the planet's most beautiful species. Volume 1: To Fly or Not to Fly? and The Mastery of Flight; Volume 2: The Insatiable Appetite and Meat-Eaters; Volume 3: Fishing For a Living and Signal and Songs; Volume 4: Finding Partners and The Demands of the Egg; Volume 5: The Problems of Parenthood and The Limits of Endurance.