![]() | Sandhill and Whooping Cranes: Ancient Voices over America''s Wetlands Paul A. Johnsgard is Foundation Regents Professor Emeritus in the School of Biological Sciences at the University of Nebraska-Lincoln. He is the author of more than fifty books on natural history, including Crane Music: A Natural History of American Cranes and Those of the Gray Wind: The Sandhill Cranes , both available in Bison Books editions. |
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