Vast in scope and stunning in imagery and detail, The Life of Mammals is the epic story of 4,000 species that have outlived this dinosaurs and colonized the farthest reaches of the Earth. In this volume: Return to the Water - With perfect streamlined bodies and great underwater speed, seals, dolphins, porpoises, and whales became the new hunters of the sea. Life in the Trees - A range of adaptations from suction feet to gripping tails to ultra-keen senses help the tree dwelling mammals to survive high above the ground.