The magnitude of the representatives of different species are very different. The growth of the Northern deer ranges from 0.8 to 1.5 meters, body length of 2 meters and a weight of a deer about 200 lbs. the Small tufted deer barely reaches 1 meter in length and weighs no more than 50 kg. The slender body has a noble stag, with a proportional addition, an elongated neck and a light, slightly elongated head.