Giant tortoises are roaming the Galápagos island of Floreana for the first time in more than 180 years, in what conservationists have called a "hugely significant milestone". The release of 158 captive-bred juvenile tortoises onto the island is part of the Floreana Ecological Restoration Project led by the Galápagos National Park Directorate. The reintroduction follows a "back-breeding" programme launched in 2017 after scientists discovered tortoises carrying ancestry of the Floreana giant