Animals that go extinct in the wild rarely get a second chance at returning to their former habitats. Sometimes they do, though. The scimitar-horned oryx has done. The desert antelope was declared extinct in the 1990s in its habitats across North Africa within the Sahara. But now members of the species are back, scampering about in pockets of…

Among the big cats of the world, it isn’t just tigers that are in serious trouble. Cheetahs, those iconic speedy predators, are “sprinting towards the edge of extinction,” according to a team of experts from the Zoological Society of London, the Wildlife Conservation Society and the conservationist group Panthera. The team’s study shows that only…