Comparative feeding ecology of the Uakari and Bearded Saki, Cacajao and Chiropotes

doi:10.1016/0047-2484(89)90101-2

Journal of Human Evolution

Volume 18, Issue 7, November 1989, Pages 697-716

https://doi.org/10.1016/0047-2484(89)90101-2 Get rights and content

Abstract

The ecology of two closely related pitheciine monkeys, Cacajao calvus and Chiropotes albinasus, is reviewed, with an emphasis on their frugivorous feeding habits and the habitats they prefer. Although both consume a similar diet of young seeds of common plant taxa, they employ different foraging strategies. Chiropotes forages as a single unit in large multi-male/multi-female groups, whereas Cacajao aggregates split into parties of flexible subunits. These differences relate to their contrasting habitat preferences. Chiropotes live in the non-inundated terra firme forests and Cacajao live in the flooded várzea forests. Each habitat type is characterized by a distinctive taxonomic and spatial composition of local fruit trees, and they also contain different animal faunas. An attempt to reconstruct the evolutionary history of these monkeys is made, based upon the geomorphological evolution of the Amazoniau region.

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Citation Excerpt :
In agreement with Boubli et al. (2008a,b,c), here we recovered a relatively recent date for this last cladogenetic event separating C. hosomi and C. ayresi (0.29 Ma, 95% HPD, 0.11–0.49) which, according to these authors might have been driven by competition with the bearded saki, Chiropotes israelita. Bearded sakis and uakaris are seed predators with similar body weights and are thought to occupy similar ecological niches (Ayres, 1989). Boubli et al. (2008a,b,c) suggest that bearded sakis expanded their distribution south from Venezuela in the late Pleistocene, splitting the range of the ancestral Cacajao population into two independently evolving units, i.e., C. ayresi and C. hosomi.
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ArticleComparative feeding ecology of the Uakari and Bearded Saki, Cacajao and Chiropotes

Abstract

J. hum. Evol

Aspectos nutritivos de alguns frutos da Amazônia

Acta amazonica

On the number of tree species in Amazonian forests

Biotropica

Observacões sobre a ecologia e o comportamento dos cuxius (Chiropotes albinasus e Chiropotes satanas, Cebidae: Primates)

Evidence for insectivory in Chiropotes satanas

Primates

The white uakaris and the Amazonian flooded forests

The ecology of some nocturnal arboreal mammals in the rain forest of peninsular Malaysia

The banded langur: ecology of a colobine in West Malaysian rain-forest

Some attempts to estimate species diversity and population density of trees in Amazonian forests

Botanical gazette

Subdivisão fitogeográfica, tipos de vegetação, conservação e inventário florístico da floresta amazonica

Supl. Acta amazonica

The saki monkeys, genus Pithecia

The anatomy of feeding behaviour in primates

Evolutionary rules and primate societies

Primate ecology and social organization

J. Zool. (Lond.)

An ecological study of the red leaf monkey (Presbytis rubicunda) in the dipterocarp forest of Northern Borneo

Habitat, economy, and society: some correlations and hypotheses for the Neotropical primates

A preliminary analysis of a Neotropical mammal fauna

Biotropica

Geographic variation in densities and diversities of non-flying mammals in Amazonia

Biotropica

Amazonian inundation forests: their role as short-term refuges and generators of species richness and taxon pulses

Locomotor behavior, body size and comparative ecology of seven Surinam monkeys

Am. Jour. phys. Anthrop

The Uakaris, genus Cacajao

Stomach contents and gastro-intestinal proportions in wild shot Guianan monkeys

Am. J. phys. Anthrop

The seasonal rhythm of fruitfall on Barro Colorado Island

The relationship between seed size and establishment conditions in tropical woody plants

Ecology

Strategies in herbivory by mammals: the role of plant secondary compounds

Am. Nat

Amazon ecosystems. Their structure and functioning with particular emphasis on nutrients

Interciencia

Notes on New World monkey

Int. Zoo Yearb

The species of sakis, genus Pithecia (Cebidae, Primates), with notes on sexual dichromatism

Fol. primatol

A preliminary taxonomic review of the South American bearded saki monkeys genus Chiropotes (Cebidae, Platyrrhini), with the description of a new subspecies

Fieldiana, Zoology (N.S.)

Uacaries, New World monkeys of the genus Cacajao (Cebidae, Platyrrhini): a preliminary taxonomic review with a description of a new subspecies

Am. J. Primatol

Feeding strategy of the Tana mangabey (Cercocebus galeritus galeritus) (Mammalia: Primates)

J. Zool. (Lond.)

Diversity of canopy trees in a Neotropical forest and implications for conservation

Article
Comparative feeding ecology of the Uakari and Bearded Saki, Cacajao and Chiropotes