The Bengal tiger, or Royal Bengal tiger (Panthera tigris tigris, previously Panthera tigris bengalensis), is a subspecies of tiger, found in India, Bangladesh, Nepal and Bhutan. The Bengal tiger is the most numerous of the tiger subspecies. According to WWF, there are about 2,100 Royal Bengal tigers in the wild today, including 1,411 in India, 450 in Bangladesh, 150 in Nepal and 100 in Bhutan. The Bengal tiger is historically regarded as the second largest subspecies after the Siberian tiger even though recent scientific studies have shown that Bengal Tigers are, on average, larger than the Siberian Tigers. The Bengal subspecies P. tigris tigris is the national animal of Bangladesh, while at the species level, the tiger Panthera tigris is the national animal of India.