According to the Smithsonian National Zoological Park, the largest member of the cat family is the tiger. The tiger is additionally the biggest mammal on land, and it subsists entirely on meat.
There are nine subspecies of tigers that have been classified by scientists, including the Caspian, Java and Bali, all of which are extinct. The other six species include the Indo-Chinese, Sumatran, Malayan, South China, Bengal and Siberian. The subspecies range in size, and the average female tiger weighs up to 242 pounds while the male weighs up to 310 pounds.The largest tigers are the Indians, and some of the males weigh up to 570 pounds.