The passenger pigeon became extinct on 1st September 1902. The last animal, a female known as Martha after the first lady Martha Washington, died in captivity at the Cincinnati Zoo.
Image Source: By Enno Meyer – http://archive.org/stream/publishedfigures00shuf#page/466/mode/2up, Public Domain, https://commons.wikimedia.org/w/index.php?curid=4316512
