endling
last known individual of a species or subspecies
Martha
the last passenger pigeon
Toughie
last known living Rabbs' fringe-limbed treefrog
Fanny Cochrane Smith
Last known speaker of a Tasmanian language (1834–1905)
Lonesome George
male Pinta Island tortoise and the last known individual of the subspecies
Juana Maria
Native American
Marie Smith Jones
last speaker of the Eyak language (1918–2008)
Archie Thompson
American linguist (1919-2013)