Until now ornithologists and bird watchers with a particular interest in hawks of North America have had to do without a useful field guide. This book satisfies that need. The most important hawk watching sites in Canada, the United States, and Mexico are now included in one volume. In addition to flight illustrations of all species, pictures of perched and nested hawks are included.The annual migrations of hawks in spring and autumn are among the most spectacular animal migrations found anywhere in the world. Many of the most important hawk lookouts are located in North America and are used regularly by thousands of bird watchers and other people interested in wildlife.Of interest to both amateur and professional bird watchers, this book provides an inexpensive, authoritative field guide to hawk watching.It includes:1. Details of flight identification of the species seen at the lookouts, including many details not included in the various field guides to birds now available.2. Flight illustrations of all species.3. Explanations of the seasonal aspect of hawk migrations and the mechanics of how migrations work.4. A discussion of essential equipment.5. Descriptions and directions for visiting the important hawk lookouts in North America.6. Suggestions for further reading, and a complete index.The book is handsomely designed for easy "pocket-carrying" in the field. Read Less