The bontebok is a tall, medium-sized antelope. They typically stand 80 to 100 cm (31 to 39 in) high at the shoulder and measure 120 to 210 cm (47 to 83 in) along the head and body. The tail can range from 30 to 60 cm (12 to 24 in). Body mass can vary from 50 to 155 kg (110 to 342 lb). Males are slightly larger and noticeably heavier than females.[4] The bontebok is a chocolate brown colour, with a white underside and a white stripe from the forehead to the tip of the nose, although there is a brown stripe across the white near the eyes in most blesbok. The bontebok also has a distinctive white patch around its tail (hence the Latin name), while this patch is light brown/tan in the blesbok. The horns of the bontebok are lyre-shaped and clearly ringed. They are found in both sexes and can reach a length of half a metre.