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Title: Like the field guide on steroids
Review: This is an excellent reference guide to the birds of North America. Most of the artwork comes from the field guide but is larger as are the maps. The text is more fleshed out with additional details of subspecies as well as status and distribution and population. There are also some migration maps and photographs, that come from the reference atlas that came out in 2003, that enhance the information in the field guide. Though not a true field guide itself, as it is too large to lug around, this is a great reference tool to accompany the field guide. Keep it in the car to come back to.
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