All Smithsonian museums and Smithsonian Libraries locations continue to be closed to support the effort to contain the spread of COVID-19. We are not announcing a re-opening date at this time and will provide updates on a regular and as-needed basis.
Audubon Magazine: Project Passenger Pigeon
The Guardian: 2014: the year of the passenger pigeon
New York Times: The Mammoth Cometh
Audubon Magazine: A Comeback for the Passenger Pigeon?
Audubon Magazine: Why the Passenger Pigeon Went Extinct