Photograph by Michael Nichols
Of the three remaining species of tigers, Siberian tigers are the largest. While there are only 400 to 500 left in the wild, the population is considered stable, and conservation programs are introducing captive-born tigers to the wild.
Big Cats Initiative
National Geographic is working to avert the extinction of lions, cheetahs, and other big cats with the Big Cats Initiative, a comprehensive program that supports innovative projects. Learn how you can help save these animals.