About the Author(s)

Lee Tibbitts is a biologist with the shorebird research program of the Alaska Biological Science Center. Since 1988, she has participated in studies of the breeding biology and migration ecology of shorebirds and waterfowl in Alaska and Baja California. Her current research efforts focus on quantifying shorebird use of selected estuaries in Alaska and describing the breeding biology of boreal-nesting shorebirds, including yellowlegs. She is currently finishing a M.S. at Humboldt State University, California, where her thesis research is on the foraging behavior of yellowlegs. Current address: U.S. Geological Survey, Alaska Biological Science Center, 1011 E. Tudor Rd., Anchorage, AK 99503. E-mail: Lee_Tibbitts@usgs.gov.

William Moskoff is Hollender Professor of Economics and Biology at Lake Forest College, where he teaches Field Ornithology. He received a B.A. in economics from Hunter College and an M.A. and Ph.D. in economics from the University of Wisconsin. During a career of about 30 years as a Soviet and East European specialist, he published nine books and many papers in this field. He recently completed a M.S. in biological sciences at the University of Illinois-Chicago, where his thesis was on the social associations of Lesser Yellowlegs during migration. Current address: Department of Biology, Lake Forest College, Lake Forest, IL 60045-2399. E-mail: Moskoff@lfc.edu.