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Guianan Saki Monkey
Pithecia pithecia Guianan Saki Monkey image
Makushi name: Ariki
Creole name: White-faced Monkey
Size: body= 40 cm; tail= 40 cm; weight= 2 kg
Description: Medium-sized and long-haired, including bushy, nonprehensile tail. Sexes distinct. Male entirely black, except for sharply contrasting short, pale hair encircling face, standing out from the black nose, mouth, and piercing dark eyes. Female grizzled grey; forehead and face slightly paler with a vertical, orangish-white stripe on either side of the face from cheek to chin; throat and belly sparsely haired and orangish-tan.
Activity: Diurnal, arboreal. Usually seen in the subcanopy or lower.
Habits: Social, usually in groups of one to four individuals, often seen in male-female pairs. Leaps from tree to tree, often hopping on its hind feet. This quiet, shy monkey feeds on a variety of fruits, seeds, leaves, and insects. Usually quiet but will make a variety of whistles and grunts. May sit silently or quickly spring away when approached closely.
Habitat: Most common in primary forest, but also occurs in disturbed areas.
Status: Often common in Iwokrama. It is listed on CITES, Appendix II.
Distribution in Iwokrama
Red Howler Monkey
Alouatta seniculus Red Howler Monkey image
Makushi name: Arauta
Creole name: Baboon
Size: body=55 cm; tail=55 cm; weight=7 kg
Description: Large and robust, with a large head and dark reddish or orangish fur; tail medium-length (about as long as the head and body); chin with forward-growing beard (longest in males); adult male has a swollen throat, evident when calling.
Activity: Diurnal; strictly arboreal.
Habits: Social, lives in troops of three to nine individuals which are usually heard long before they are seen. The loud calls are distinctive and consist of a rising chorus of snorts, grunts, roars, and howls which can be heard for several kilometres. It calls most often at dusk and dawn, but can also be heard after rainstorms and during the night. It can hang from its tail, which is prehensile (grasping).
Habitat: Forest, where it feeds on leaves and fruits. It frequently occurs near tree gaps and edges of rivers.
Status: Often common. Listed on CITES Appendix II.
Distribution in Iwokrama
Black Spider Monkey
Ateles paniscus Black Spider Monkey image
Makushi name: Kuwaata
Size: body=50 cm; tail=75 cm; weight=10 kg
Description: Largest monkey in Guyana. Like all spider monkeys, it has a small head, long limbs and a very long, prehensile tail which is used as a fifth, grasping appendage. Entire body blackish with relatively long hair; face pinkish and naked. When seen sitting in a tree, this spider monkey has a distinctly ape-like appearance.
Activity: Diurnal, arboreal. Usually seen in the canopy or subcanopy, although sometimes rests lower down in trees.
Habits: Social, usually seen in groups of 2 to 5 individuals (although the total troop is often larger). Feeds on fruits, flowers and leaves. Calls include low grunts and barks, plaintive whistles, and loud screams. Travels noisily through the trees, often stopping to investigate and threaten observers by vigorously shaking branches, stomping, calling, and dropping small to large branches near them.
Habitat: Primary or secondary forest.
Status: Locally common in Iwokrama. Listed on CITES Appendix II.
Distribution in Iwokrama

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