If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling package: https://www.patreon.com/TodayIFoundOut Book: A Feathered River Across the Sky: The Passenger Pigeon's Flight to Extinction http://amzn.to/2f7suZR →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut WWII Files - Pigeon Guided Missiles and Literal Bat Bombs https://youtu.be/LbPG8jSud14?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis That Time an Elephant was Condemned to Execution by Hanging https://youtu.be/362g6800AMo?list=PLR0XuDegDqP2yEk58fgohft2Z1nhcmwis In this video: Martha was a very lonely bird. She had once been part of a pair, with her male counterpart George, but he had died several years before. So, for the final years of her life, Martha sat in her one-bird cage alone. The Cincinnati Zoo offered a thousand dollar reward (about $23,000 today) to anyone who could track down a mate for Martha. Unfortunately, there were no mates left for her. Want the text version?: http://www.todayifoundout.com/index.php/2014/02/billions-zero-50-years-extinction-passenger-pigeon/ Sources: http://www.newyorker.com/arts/critics/books/2014/01/06/140106crbo_books_rosen?currentPage=all http://www.si.edu/encyclopedia_Si/nmnh/passpig.htm http://www.si.edu/encyclopedia_Si/nmnh/passpig.htm http://www.eco-action.org/dt/pigeon.html http://www.spiegel.de/international/zeitgeist/scientists-aim-to-bring-the-passenger-pigeon-back-from-extinction-a-893744.html http://books.google.com/books?id=TfDVAQAAQBAJ&printsec=frontcover&dq=A+Feathered+River+Across+the+Sky:+The+Passenger+Pigeons+Flight+to+Extinction&hl=en&sa=X&ei=3e__Uqm8