The Siberian tiger, a subspecies of tiger, is the largest cat in the world. It averages about 3.3 m (11 ft.) in length, with a tail measuring 1 m. Adult male Siberian tigers can weigh up to 320 kg, while females are significantly smaller, weighing up to 180 kg.
Siberian tigers differ from other tigers because they have fewer, paler stripes, and they also have manes. The mane, in addition to their thick fur, helps keep them warm.
Also known as the Amur tiger, the Siberian tiger resides in a small region in the southeast region Russia. They are also located in small numbers in China and North Korea.The skull of the Siberian tiger is characterized by its large size, and is similar to that of a lion.
It differs in the structural features of the lower jaw and relative length of nasals. The facial region is very powerful and very broad in the region of the canines.The skull prominences, especially sagittal crest and crista occipitalis are very high and strong in old males, and often much more massive than usually observed in the biggest skulls of Bengal tigers.