Martha and Her Message to the World Martha the last passenger pigeon, whose race humans had slaughtered into oblivion, is now considered to be the icon of extinction. Martha the last passenger pigeon in taxidermied form at Smithsonian Museum. Courtesy of the Smithsonian National Museum of Natural History. By Mithu Das November 23, 2015 Martha, the last passenger pigeon, is considered to be the icon of extniction. Her race, namely Ectopistes migratorius, was by far the most abundant bird species ever lived in the planet earth. It has been estimated that i...