 It is a small antelope and is characterised by a slightly raised back, short legs, a small head and short, rounded ears.It has a long tail, pedal glands and a distinctive stripe above the eye.It is intermediate in size between the larger Maxwell's duiker ("Philantomba maxwellii") and the smaller blue duiker ("Philantomba monticola"), but is clearly different in morphology, cranial structure and DNA analysis.