passenger pigeon

passenger pigeon (plural passenger pigeons)

1. A bird of the extinct species †Ectopistes migratorius, formerly endemic to North America.
   • 2012 June 27, Helen Lewis, “Sense of an endling”, in New Statesman‎^[1], archived from the original on 2012-07-11:

     Martha was a remnant of a species that had once dominated North America; it is estimated that there were as many as four billion – yes, billion – passenger pigeons when the Europeans arrived.

   • 2020, “Life Finds A Way”, in Jonathan Elmore, editor, Fiction and the Sixth Mass Extinction, Rowman & Littlefield, →ISBN:

     Revive & Restore, a branch of the Long Now Foundation, is currently attempting to de-extinct the passenger pigeon in a project called The Great Comeback.

• passenger pigeon on Wikipedia.Wikipedia
• Ectopistes migratorius on Wikispecies.Wikispecies