When the tiger evolved in southern China some 2 million years ago, the species radiated out, north to Siberia and west to the area around the Caspian Sea. The Himalayas prevented them from moving south into Nepal and India.
From China, it moved through Indochina then down the Malay peninsula via the now submerged Sunda landbridge to Sumatra, Java and Bali. From Indochina the striped cat moved west through Myanmar to the Indian subcontinent. The Bengal tiger is the second largest after the Siberian species.
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