Inside nature's giants. Sperm whale
"Most wildlife documentaries focus on animal behavior, but Inside Nature's Giants goes inside the largest animals on the planet to explore their anatomy, reveal their intricate inner workings and uncover their evolutionary secrets. In this episode, veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg battle through the night against a rising tide to explore the mysteries of the largest predator on Earth--the Sperm Whale. Despi...