A bird that had previously gone extinct came back to life thanks to a rare evolutionary process known as "iterative evolution." The white-throated rail bird can presently be found on the island of Aldabra. Early fossils of the bird suggest it lived there thousands of years ago and died out because it could not fly to higher ground when rising sea levels threatened its safety. But thanks to "iterative evolution," which evolves similar body parts due to genetics from a similar ancestor, the bird came back from the dead. **SNIP** In order to make the determination that the extinct bird...