An Unlikely Plan to Revive the Passenger Pigeon

Home to roost: The last living passenger pigeon, Martha, can be found, stuffed, in the National Museum of Natural History in Washington, D.C. Passenger pigeons once darkened the skies over the eastern United States.

http://www.technologyreview.com/news/512416/an-unlikely-plan-to-revive-the-passenger-pigeon/