Siberian tiger, (subspecies Panthera tigris altaica), subspecies of tiger (Panthera tigris) inhabiting the Primorye and Khabarovsk territories of far eastern Russia as well as northeastern China. Although most classifications recognize the Siberian tiger as a distinct subspecies, others consider it to be a subpopulation of the Bengal tiger subspecies (P. tigris tigris). Still, the Siberian tiger is distinguished from other tiger subspecies (including the similar-looking but hot-climate Bengal tiger) by its muted orange coat accented...