Henry Carter Hull

When his beloved grandfather is killed in a storm while leading the swan flock south for the winter, Moonshadow is reassured by his father that the flock will go on with Grandfather always in their hearts.

Three years of shooting were needed by five teams in order to follow bird migrations flying over the seven continents: from one pole to another, from the seas to snowcapped mountains, from the canopy of heaven to mangroves and swamps.

"An exhilarating exploration of the science and wonder of global bird migration. In the past two decades, our understanding of bird migration-the navigational and physiological feats that enable birds to cross immense oceans or fly above the highest mountains, to go weeks without sleep, or remain in unbroken flight for months at a stretch-has exploded. Scientists have made astounding discoveries: certain species, such as thrushes, can avoid dehydration...