A McGraw-Hill new biology

Describes the characteristics and habits of chimpanzees, including their group society, communication techniques, and intelligence.

Discusses the physical characteristics and habits of seals, sea lions, and walruses.

Describes the physical characteristics and habits of various types of owls from different parts of the world.

Describes the habits, habitats, and life cycles of various frogs, toads, and newts.

Investigates the lifestyle and breeding behavior of vultures, secretary birds, hawks, buzzards, eagles, kites, harriers, and falcons.

Discusses several varieties of penguins, their habitats, growth, and breeding habits.