This magnificent BBC David Attenborough series celebrates the incredible variety of the world's best-loved creatures and provides fresh insight into their fascinating way of life.

• To Fly or Not To Fly – When the dinosaurs disappeared, some birds abandoned flight and made a bid to take over the earth. And some are still doing so today.
• The Mastery of Flight – Speed, endurance, and unrivalled agility are the hallmarks of the aces of the skies.
• The Insatiable Appetite – A diversity of bill shapes and sizes have evolved to cope with all the most difficult-to-find foods, but some birds still need tools.
• Meat Eaters – Both hunters and scavengers need incredible strategies and skills to compete for their elusive prey.
• The Demands of the Egg – The drive to reproduce is fraught with danger.
• The Problems of Parenthood – Bringing up a baby is a full-time job that requires some ver special skills.
• The Limits of Endurance – Changes and disasters wrought by both nature and man can create new challenges.
• Fishing for a Living – The earth's vast areas of fresh and salt water provide dinner for millions of birds.
• Signals and Songs – Communication makes everything possible.
• Finding Partners – Extraordinary displays and bizarre mating rituals.