Analysis of information sources in references of the Wikipedia article "Passenger pigeon" in English language version.
its leader, Rene de Laudonniere, had been there 200 soldiers without relief over a year, since June 1564..
One of eastern North America's most iconic animals vanished forever on Sept. 1, 1914. Now, 97 years later, the passenger pigeon has become an icon for something else: manmade extinction.