In a significant conservation milestone, authorities in Kazakhstan have released an Amur tiger into the wild, ending a seven-decade absence of the predator in the region. The project is part of a long-term ecological effort to restore the Caspian tiger, a subspecies that was declared extinct in the mid-20th century. Because the Caspian tiger is no longer available, conservationists are using the Amur tiger—also known as the Siberian tiger—as a proxy, given their close genetic relationship.

The release is the culmination of years of preparation, which included restoring local habitats and ensuring a sustainable prey base to support a predator population. The project is being monitored by environmental scientists who hope that the reintroduction will help stabilize the local ecosystem. While the Caspian tiger was once native to the region, the new population will be composed of Amur tigers introduced to fill the vacant ecological niche. This effort represents one of the few large-scale attempts to reintroduce a top-tier predator into a landscape where it had been completely wiped out by human activity and habitat loss.