alone in this "theory." http://www.unsolvedrealm.com/2011/04/26/lazarus-species-back-from-the-deadreally/ We ourselves transfer alien species from one location to the next, by accident, or by design. On the downside, the cane toad and others. http://www.questacon.edu.au/indepth/clever/control_ferals.html On the good side, giant tortoises . http://www.environmentalgraffiti.com/news-introducing-new-giant-tortoises-area-native-giants-are-extinct-works-restore-ecosystem Aside from all that, hypothetically speaking, what if extinct species were brought back, say