The coarse coat is made up of spine-like hairs, and is generally dark grey to chocolate brown. The head and neck are grey. The tuft on the forehead is blackish brown and may grow 17 cm / 7 inches long. The lips, the tips of the ears, and the underside of the tail are all startlingly white. In addition, some animals have a pale streak running around the eye and upward towards the ears. The simple spiked antlers, borne only by males, grow from short, bony pedestals on the forehead. A more visible characteristic in males, however, is the length of the upper caniness, which may grow up to 2.5 cm / 1 inch long, and protrude from the mouth like fangs. Young are coloured like adults with the additionof a row of white spots along each side of the spine
