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Lake Superior State University - SPRING 2011 | ||
Section 001 | ||
 | National Geographic Field Guide to the Birds of North America, Fifth Edition (5th Edition) by Jonathan K. Alderfer, Jon Lloyd Dunn, National Geographic Society (U.S.), Natl.Geograph. Paperback, 504 Pages, Published 2006 ISBN-10: 0-7922-5314-0 / 0792253140 ISBN-13: 978-0-7922-5314-3 / 9780792253143 Birding is the fastest growing wildlife-related activity in the U.S., and even conservative estimates put the current number of U.S. birders at 50 million. According to the New York Times, some authorities predict that by 2050 there will be more than 100 million—and the National Geographic Field Gui | |