Rusty-spotted cat is the smallest wild cat. Weighing only 0.9-1.6 kg and measuring between 35-48 cm, the cat is native to India and Sri Lanka. Black-footed cats are also among the world's smallest wild cats, weighing between 1.1-2.5 kg and measuring between 48-71 cm. Meanwhile, Singapura and Munchkin are the world's smallest domestic cats.