Hoffmeister (natural history-emeritus-U. of Illinois) presents the culmination of a lifetime of work. Here are 55 color and 192 bandw photos, drawings, distribu

This volume provides a survey and synthesis of current knowledge of the more than 650 species of land and marine mammals found in Ecuador, Peru, Bolivia, and Br

From the tiny shrew to the black bear, Pennsylvania's hills and valleys are teeming with sixty-three species of wild mammals. Many of these animals are rarely s

Animals of this size face different physiological and ecological challenges than larger mammals.