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Renowned for their elaborate mating displays, sandhill cranes also use body language to announce intent, establish dominance, show arousal, preserve the nest territory and bond male and female pairs. This beautifully photographed product -- the result of years of field research by Christy and George Happ -- provides a handy pocket dictionary to the
An expert on the sandhill crane, George Happ grew up in Illinois and attended Cornell University. He has taught courses in physiology, cell biology, and general biology at the University of Vermont, the University of Arizona and Colorado State University.