A pocket-size, brilliantly colorful, simple-to-use guide to bats, containing dozens of full-color photographs that enable readers of all ages to identify the mo

"These keys will help identify the skulls of most wild and domestic mammals which occur in the United States and southern Canada."--Page 1.

The culmination of many years of research, observation, and study, the new STOKES FIELD GUIDE includes more species, more photographs, and more useful identific