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Description
Body length: 28.7 - 36 cm (11
- 14 in); Weight: 860 - 1400 g (1.9 - 3 lb) Head round with small
flat almost naked black to gray face; brow black, white or gray,
usually differing in color from crown; sides of head may be yellow
or orange or white around ear. Long thick fur brown, reddish-brown
or gray on upper parts; pale yellow to red-orange underparts.
Non-prehensile tail; usually hangs down. Holds head low; sits
with feet tucked under body close to hands. Color highly variable.
Range
South America; found in
strip along base of Andes from Colombia to Bolivia and Paraguay;
Brazil south of Amazon.
Habitat
Mature and secondary lowland
evergreen rainforest in Amazonia only; dry forest. Found in densely-vegetated
areas, particularly around water edges and in swampy forest; bamboo
thickets; prefer middle and lower levels of trees.
Niche
Diurnal and arboreal. Eats leaves,
fruits and arthropods such as spiders and millipedes; the only
small monkey to live mainly on leaves. Sleep at medium heights
in sheltered trees. Whoop and scream at dawn.
Life History
Monogamous. Young carried by
male.
Status
Common.
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