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Species of New World monkey From Wikipedia, the free encyclopedia
The equatorial saki (Pithecia aequatorialis), also called the red-bearded saki, is a species of saki monkey, a type of New World monkey. It is found in northeastern Peru and Ecuador.[3]
| Equatorial saki[1] | |
|---|---|
| |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Primates |
| Suborder: | Haplorhini |
| Infraorder: | Simiiformes |
| Family: | Pitheciidae |
| Genus: | Pithecia |
| Species: | P. aequatorialis |
| Binomial name | |
| Pithecia aequatorialis Hershkovitz, 1987 | |
 | |
Not much is known about the equatorial saki, its range being specifically unknown.[4]
The equatorial saki weighs between 2 - 2.5 kg, has a head-body length of 39 – 44 cm, and a tail length of 45 – 47 cm. The species' tail in not prehensile, relying on its arm and leg strength to carry itself from branch to branch.[5] The equatorial saki is also sexually dimorphic. It is often confused for the monk saki, but the reddish throat and chest of the equatorial saki set it apart.[6]
The equatorial saki is diurnal. The species is frugivorous, but seeds and nuts constitute a large part of diet. This species also consumes leaves and insects, especially ants. The fruits that this species consumes have hard pericarps.[7] Most of its time is spent foraging in the middle to upper levels of the rainforest canopy.[6]
They seem to be found most commonly in riverside, seasonally flooded and swamp forests, but have been seen in terra firme forests as well.[6]
The red-bearded saki moves through the forest both quadrupedally and by leaping. When the red-bearded saki takes off from a tree branch, most likely it does this from a vertical clinging position.[7]
The equatorial saki lives in small groups of two to four that come together to form larger congregations. Groups of red-bearded sakis are described as closed social units. Males groom their young.[7]
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