The Snow Partridge (Lerwa lerwa) is a gamebird in the pheasant family Phasianidae of the order Galliformes, gallinaceous birds. It is a large spurred partridge found in the Himalayan regions of Pakistan and the Republic of India, Nepal and China. It measures 38-40 cm in length. Females weigh 450"?580 g; males, 550"?700 g.