The New England Hawk Migration Study combined the world of hawkwatching and aeronautical engineering for a unique view of birds in flight. Specially outfitted in a Sperber motorglider, which allowed slow, sustained highly maneuverable flying, author Bill Welch and his colleagues followed the hawks on their East Coast migrations, riding the same thermals as the raptors, and making detailed observations never before possible of hawk flight and navigation.With over 35 black-and white photographs and charts, Hawks at My ...

Hawks at My Wingtip 1997, North Country Books, Thorndike, ME

ISBN-13: 9780896210981

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