 Seven females measured in the early 20th century averaged a weight of and had a mean head-to-body-length of with a long tail, the largest being with a long tail; 11 males averaged , the largest being , and measured with a long tail, the largest being with a long tail.The Sri Lankan leopard has allegedly evolved to become a rather large leopard subspecies, because it is an apex predator without competition by other large wild cat species in the country.Large males reach almost .