About the Author

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Jon L. Dunn, a leading expert on the identification and distribution of North American birds, has served as chief consultant on all four previous editions of this book. He is also a consultant for the American Birding Association magazine, "Birding, " and the former chair of the ABA Checklist Committee, as well as a member of the California Bird Records Committee and the AOU Committee on Taxonomy and Nomenclature. He lives in Bishop, California.

Jonathan Alderfer, chief consultant for National Geographic's Birding Program, is a widely published author and field guide illustrator. One of the nation's foremost birding artists, he is well known for his expertise as a field ornithologist and an authority on North American birds. He was a general consultant, art consultant, and contributing artist for the " NG Field Guide to the Birds of North America 3rd" and "4th editions, " and the lead editor of " NG's Complete Birds of North America." A former Associate Editor of "Birding, " the ABA magazine, he also served on the Maryland/D.C. Bird Records Committee. He lives in Washington, D.C.