Unlike
C. quichua and
C. rothschildi, to which it is closely related,
C. vossi is smaller, measuring between . Its tail is more elongated, covering 70% of its body, facilitating arboreal behaviour. The barbs of
C. vossi are bicoloured or tricoloured, being lighter at the base, measuring . On the face they measure . The back has a sparse dark brown coat, darker than the other species with which it has been confused in the past. Its skull is less elongated. == See also ==