Birds of paradise are one of David Attenborough's lifelong passions. He was the first to film many of their beautiful and often bizarre displays, and over his lifetime he has tracked them all over...

Meet the Penguins In this one-off special, bird expert and enthusiast Adrian Walls fulfils a lifelong dream to see an endangered species of penguin in the wilds of Peru. Adrian, head of birds at ZSL L...

Why has a kids TV show about an eccentric man with a box that can travel anywhere in time and space become the BBC's longest running TV drama - and one of Britain's biggest brands?　　On its 50...