Animals

Bears I Have Met—and Others

The Natural History of Cage Birds

The Amphibians and Reptiles of Michoacán, México

True Bear Stories

Insect Stories

A Bird-Lover in the West

The Genera of Phyllomedusine Frogs (Anura: Hylidae)

A Check-List of the Birds of Idaho

Birds In the Calendar

False Knees

Condor

The Wool Industry a Global History

Riding Home

World Wild Vet

Animal Analogues: Verses and Illustrations

Mammals of the San Gabriel Mountains of California

Watched by Wild Animals

Social Learning

Gifts of an Eagle

Paths of the Mound-Building Indians and Great Game Animals