"Mule Deer" examines all facets of the life and environment of the mule deer, which inhabit the western portion of North America. Mule deer are the cousins of the whitetails, though they are a separate species. This book is Classic Bauer, filled with overview of facts, behavior, and conservation, as well as stories from Erwin's personal experiences. Also recommended: "Whitetails: Behavior, Ecology, Conservation," "Majestic Whitetails," "Big Game of North America," and "Antlers: Nature's Majestic Crown."