Since the dawn of human history, birds have stirred our imagination, inspiring and challenging our ideas about science, faith, art and philosophy. Looking to the skies above, we have variously worshipped them as gods, hunted them for sustenance, adorned ourselves in their feathers, studied their wings to engineer flight and, more recently, attempted to protect them. In 'Birds and Us', ornithologist Tim Birkhead takes us on an epic and dazzling journey...