To see a vortex of migrating cranes in western Nebraska, go to
Sandhill Crane Vortex from Christy Yuncker Happ on Vimeo.
Millie and Roy returned on May 4th and began incubation on May 12th, but the eggs did not hatch. They foraged and danced often during the summer (see video below) and then departed on migration on August 29th.