Martha the last passenger pigeon returned to display in the Smithsonian in 2014 in celebration of the 100th annivesary of her death in 1914.

Passenger Pigeon (Martha)
specimen USNM 223979/236650 collected 1914
The last known Passenger Pigeon, Martha (named for Martha Washington), died at the Cincinnati Zoological Garden in 1914. Her body was frozen in a block of ice and shipped by train to the Smithsonian Institution, where she is now part of the research collection and not normally on view.

Martha is no. 11 in a display including two male passenger pigeons.

The case in which Martha resides is headlined “Once There Were Billions”