- Natural history narratives for more than 300 species of mammals, birds, reptiles, and amphibians found in Pennsylvania and throughout the northeastern United States-written in an engaging, straightforward style.An invaluable addition to any nature-lover's library. Each narrative offers a species description as well as up-to-date information on habitat, breeding behavior, feeding habits, biology, migration, and current population status, as well as the author's personal observations of the animal's life in the wild. Includes game and nongame mammals, birds of prey, songbirds, waterfowl, snakes, turtles, frogs, toads, and more.