The largest cat in the world is the Amur, aka Siberian, tiger. The other subspecies are closer in size to lions. Overall listed as Endangered, with the Amur (Siberian), South China, and Sumatran subspecies as Critically Endangered. Three subspecies have become extinct since the 1950's. Overall, there are probably no more than 2500 breeding adult tigers in the wild.
There are no subpopulations that contain over 250 mature individuals. There is a continuing decline all over their range due to poaching, persecution, and habitat loss. White tigers are not a separate species, just a color variation, similar to black leopards & jaguars.
Weight: weight ranges from 400 to 650 pounds, females slightly smaller.
Height: measured at the shoulder, 42 inches. 9 to 12 feet long (from head to the tip of their tail).
Lifespan: tigers can live up to 20 years in the wild.
Habitat and Range: the Siberian Tiger is found in eastern Siberia and also in northern China and Korea. It is estimated that there are probably no more than 200 Siberian tigers left in the wild.
Endangered Status: endangered