The Burmese Python (Python molurus bivittatus) is the largest subspecies of the Indian Python and one of the 6 biggest snakes in the world, native to rain forest areas of Southeast Asia. They are often found near water and are sometimes semi-aquatic, but can also be found in trees. The Burmese python is one of the largest of all snakes, growing up to 8 metres (25 feet) and weighing up to 180 kg (400 pounds). It continues to grow throughout life and the great length is due to the presence of a large number of vertebrae. Females are typically larger than males. A Burmese Python at Serpent Safari Park in Gurnee, Illinois, USAholds the record for heaviest living snake. As of 2005, it weighs 182.76 kg (403 lb) at a length of 8.23 m (27 ft).