Presents a general introduction to dolphins, looks at different dolphin species, and discusses their physical characteristics, behaviors, senses, eating habits, intelligence, and life cycles.
Describes the bodies, senses, life cycles, and feeding patterns of seals, sea lions, and walruses as well as the relationship between seals and people.
Describes the physical characteristics, habits, and natural environment of these flightless sea birds, which are found only in the southern hemisphere.
