About the Author

Michael O'Brien currently serves as an Associate Naturalist with Cape May Bird Observatory in New Jersey. He is also the co-author of The Shorebird Guide, Flight Calls of Migratory Birds, and America's 100 Most Wanted Birds. KEVIN T. KARLSON is an accomplished birder, tour leader, and wildlife photographer. He is a coauthor of The Shorebird Guide and two other books. He lives near Cape May, New Jersey.