Describes the life cycle, characteristics, habitats, and behaviors of Northern spotted owls, as well as ways to prevent their extinction.

Describes several species of lower primates, including the lemur, aye-aye, galago, loris, and tarsier, and their endangered status.

Provides instructions for projects and activities that explore prairies, fields, and meadows and demonstrate the importance of preserving and protecting grasslands.

Describes the behavior, habitat, life cycle, and physical characteristics of this much-studied ape.