2020-10-16 · 2. Tiger. Scientific Name: Panthera tigris Class: Mammalia Habitat: Southeast Asia The tiger is the largest and most eye-catching of the big cats. They can grow up to 3.9 meters in length and weigh over 300 kg. Tigers have a lifespan up to 26 years, though all six subspecies (Bengal, Siberian, Sumatran, Malayan, Indochinese and South China tigers) are endangered, with a total population of