http://passengerpigeon.org/differentpigeon.html

victoriacrownedpigeon. The Victoria Crowned Pigeon. Jason Weckstein and Joel Greenberg Not a Carrier Pigeon, Not a Messenger Pigeon, Not a Rock Pigeon

https://sciencing.com/differences-between-passenger-pigeons-carrier-pigeons-10025327.html

Apr 25, 2017 ... The carrier pigeon is a domesticated rock pigeon (Columba livia) which is used to carry messages, while the passenger pigeon (Ectopistes ...

https://en.wikipedia.org/wiki/Passenger_pigeon

The passenger pigeon or wild pigeon (Ectopistes migratorius) is an extinct species of pigeon that was endemic to North America. Its common name is derived ...

https://www.audubon.org/magazine/may-june-2014/why-passenger-pigeon-went-extinct

These were passenger pigeons, Ectopistes migratorius, at the time the most abundant bird in North America and possibly the world. Throughout the 19th century ...

https://reviverestore.org/about-the-passenger-pigeon/

The Great Passenger Pigeon Comeback began in 2012 with a central paradigm: de-extinction needed a model candidate. The goal of de-extinction for us, quite ...

https://www.npr.org/sections/thetwo-way/2017/11/16/564597936/why-did-the-passenger-pigeon-go-extinct-the-answer-might-lie-in-their-toes

Nov 16, 2017 ... Billions of these birds once flew over North America, but the last known passenger pigeon died in 1914. To try to figure out what happened, ...

https://www.si.edu/spotlight/passenger-pigeon

The extinction of the passenger pigeon is a poignant example of what happens when the interests of man clash with the interests of nature.... Learn more.

https://news.nationalgeographic.com/news/2014/08/140831-passenger-pigeon-martha-deextinction-dna-animals-species/

Aug 30, 2014 ... A hundred years ago on Monday, a once-mighty species became extinct. At the Cincinnati Zoo, a passenger pigeon named Martha died at the ...

https://www.sciencemag.org/news/2017/11/four-billion-passenger-pigeons-vanished-their-large-population-may-have-been-what-did

Nov 16, 2017 ... Four billion passenger pigeons once darkened the skies of North America, but by the end of the 19th century, they were all gone. Now, a new ...

https://www.history.com/news/the-revival-of-the-passenger-pigeon

Jul 9, 2013 ... Not to be confused with the carrier pigeon (a domesticated bird trained to transport messages), the passenger pigeon is believed to have ...