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Cuban Red Macaw
Extinct: late 19th century

Featured TEDxDeExtinction Video

Rapid advances in molecular biology are converging with new perspectives in conservation biology to create a new field called “de-extinction.”  Now is the time to begin public discussion of how de-extinction projects can best proceed responsibly.


John FaheyA New Century of Exploration
Chris AndersonTED Welcomes You
Carl Zimmer(Some) EXTINCTION IS (not necessarily) FOREVER


Isabella KirklandA Still Life of Stilled Life
Susan HaigBringing Back the Birds of Our Dreams
Hendrik PoinarNot All Mammoths Were Woolly
Michael ArcherSecond Chance for Tasmanian Tigers and Fantastic Frogs
Joel SartoreEndangered Studio


Alberto Fernández-AriasThe First De-extinction
Oliver RyderGenetic Rescue and Biodiversity Banking
Robert LanzaThe Use of Cloning and Stem Cells to Resurrect Life
George ChurchHybridizing with Extinct Species
Michael McGrewPigeons from Chickens
Ben NovakHow to Bring Passenger Pigeons All the Way Back


Stanley TempleDe-extinction: A Game-changer for Conservation Biology
David Ehrenfeld Extinction Reversal? Dont Count on It.
Kate JonesWhy and Why Not Is a Matter of Specifics
James Tate Rules, Regs, and Reactions
Beth ShapiroAncient DNA: What It Is and What It Could Be
Hank GreelyDe-extinction: Hubris or Hope?


Henri Kerkdijk-OttenRestoring Europes Wildlife with Aurochs and Others
Kent RedfordTainted Species?
William PowellReviving the American Forest with the American Chestnut
David BurneyRewilding, Ecological Surrogacy, and Now… De-extinction?
Michael MaceCalifornia Condors Back from the Brink