This is the largest of all Tiger Species. It once ranged throughout Western Asia, Central Asia and eastern Russia, and as far east as Alaska during prehistoric times, though it is now completely confined to the Amur-Ussuri region of Primorsky Krai and Khabarovsk Krai in far eastern Siberia, where it is now protected. Name this sub species .

The Siberian Tiger (Amur Tiger) is the largest of all tiger species and is indeed confined to the Amur-Ussuri region of Primorsky Krai and Khabarovsk Krai in far eastern Siberia. It historically ranged across Central Asia and eastern Russia but is now protected in this limited region. The Caspian and Bali tigers are extinct subspecies, while Bengal tigers are native to the Indian subcontinent.