Bushbabies are relatively small mammals. The tail, which is often bushy, is always long in comparison to the body and
is actively used in locomotion. According to species, fur coloration ranges from gray to black dorsally and from white to orange-buff ventrally. The eyes are relatively large and oriented obliquely forwards. The ears, which are membranous and moderate to large in size, can be folded concertina-fashion. In the skull, there is a bony strut (postorbital bar) on the outer margin of the eye socket. The dental formula is (I2/2 C1/1 P3/3 M3/3) X 2 = 36 total teeth. In the lower jaw, the crowns of the four incisors (two on each side) and
The brown greater bushbaby (Otolemur crassicaudatus). (Photo by John Shaw. Bruce Coleman, Inc. Reproduced by permission.)
the two canines (one on each side) are angled forwards to form a dental comb that is used both for feeding and for grooming the fur. The hindlimbs are markedly longer than the forelimbs. All digits of the hand and foot bear nails, although the second toe bears an elongated nail ("grooming claw") that is angled away from the dorsal surface. Mild sexual dimorphism in body size is present in some bushbabies but absent in others.
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