Taken at the Consumnes River preserve near Lodi, California, this picture captures sandhill cranes dancing before taking off in the morning. Why do they dance? Theories abound, some believe it is a mating dance, but they dance when not mating, so...??

Canon 60D, EF 70-300 mm Canon lens, shot at 280 mm, 1/3200 sec, f5.6, ISO 1000