Why don’tSaimiri oerstedii andCebus capucinus form mixed-species groups?

@article{Boinski2007WhyDO,
  title={Why don’tSaimiri oerstedii andCebus capucinus form mixed-species groups?},
  author={Sue Boinski},
  journal={International Journal of Primatology},
  year={2007},
  volume={10},
  pages={103-114}
}
  • S. Boinski
  • Published 1 April 1989
  • Environmental Science
  • International Journal of Primatology
The instances of association with Cebus capucinustroops were monitored for 11 months as part of a field study of Saimiri oerstediiin a tropical wet forest in Costa Rica, Parque Nacional Corcovado. Contrary to the usual situation in South America, where S. sciureusforms persistent mixed-species groups with Cebus apella,in Corcovado S. oerstediirarely associated with Cebus capucinus;the frequencies were consistent with those expected from random association. Depending on the season, the S… 

Polyspecific associations between squirrel monkeys (Saimiri sciureus) and other primates in eastern Amazonia

TLDR
Overall, Saimiri had a broader niche than Cebus in terms of vertical spacing and diet, but not for substrate use, while group B4 associated with Chiropotes more during the dry season, and niche overlap was greater for all variables at B4.

Competition and Facilitation in the Capuchin–Squirrel Monkey Relationship

TLDR
Interspecific interactions such as competition between species of Cebus and facilitation between C. apella and S. sciureus were as important as habitat and fruit availability in determining the distribution and abundance of these primates.

RESEARCH ARTICLE Mixed-Species Associations in Cuxi (Genus Chiropotes)

TLDR
It is suggested cuxius form mixed-species associations at some sites as an adaptive strategy to decrease predation risk and/or increase foraging efficiency and alarm called signi-cantly less frequently during associations.

Mixed-species primate groups in the kibale forest: Ecological constraints on association

TLDR
The results of this study illustrate that the nature of the costs and benefits of polyspecific associations for these different monkey species are complex and vary from species to species.

Mixed‐species associations in cuxiús (genus Chiropotes)

TLDR
It is suggested cuxiús form mixed‐species associations at some sites as an adaptive strategy to decrease predation risk and/or increase foraging efficiency.

Interspecific primate associations in Amazonian flooded and unflooded forests

TLDR
It is suggested that the temporal variation of várzea forest associations is connected with seasonal changes in habitat structure and resource abundance, and more work is needed to pinpoint the underlying causes of mixed-species associations in all forest types and their strong seasonality in váRzea Forest.

Activity budget, diet, and use of space by two groups of squirrel monkeys (Saimiri sciureus) in eastern Amazonia

TLDR
The ecological and behavioral patterns of two social groups of S. sciureus in forests adjacent to the Tucuruí hydroelectric reservoir in eastern Amazonia are described, including range size, activity budgets, and composition of the diet.

Zoo ecology of a primate species: Squirrel monkey (Saimiri sp.)

TLDR
To determine whether environmental factors affect seasonality of reproduction of squirrel monkeys in captivity, path analysis was used to compare number of births and matings per month with monkeys kept in indoor enclosures and those kept in outdoor enclosures (exposed to the elements).

Integration of field and captive studies for understanding the behavioral ecology of the squirrel monkey (Saimiri sp.)

TLDR
There is much variation in socioecology and life history traits between Saimiri species and, surprisingly, also between populations of the same species studied at different locales.

References

SHOWING 1-10 OF 44 REFERENCES

Differential habitat use byCebus apella andSaimiri sciureus in central surinam

TLDR
Individuals of these taxa observed in central Surinam show numerous additional species-specific differences in other aspects of habitat utilization including gross dietary preferences, utilization of forest strata, locomotor behavior and arboreal support preferences.

Taxonomy of squirrel monkeys genus Saimiri (cebidae, platyrrhini): A preliminary report with description of a hitherto unnamed form

TLDR
Two groups of squirrel monkeys, genus Saimiri, are distinguished by external characters, characterized by reduction from seven to six or five paired acrocentric autosomes through pericentric inversion with reciprocal increase in number of paired submetacentric or subtelocentric autosomes.

Observations on two types of neotropical primate intertaxa associations.

During a socioecological field study of Colombian spider monkeys, data were collected on spatial associations and social and ecological interactions among free-ranging Ateles belzebuth, Alouatta

Habitat use by squirrel monkeys (Saimiri oerstedi) in Costa Rica.

  • S. Boinski
  • Environmental Science
    Folia primatologica; international journal of primatology
  • 1987
TLDR
In all seasons dispersion was least when the troop was travelling and it was generally greatest during seasons of low food abundance, and measures of the allocation of time by the troop to food-related activities and the extent of troop dispersion each season were consistent with estimates based on behavior sampling of individuals.

Monospecific vs polyspecific life: A comparative study of foraging and antipredatory tactics in a community of Cercopithecus monkeys

TLDR
Although both foraging efficiency and predator avoidance appeared to be improved by polyspecific association, several facts suggest that predation pressure, notably by the crowned hawk eagle, was the pime factor for the evolution of this life style.

Association of Birds with Monkeys in Costa Rica

TLDR
Censuses indicated that kites, tanagers, and woodcreepers spent roughly twice as much time following squirrel monkeys during the wet season, when arthropod availability was lowest, than at other times of the year.

Mating patterns in squirrel monkeys (Saimiri oerstedi)

  • S. Boinski
  • Biology
    Behavioral Ecology and Sociobiology
  • 2004
SummaryThe mating system of squirrel monkeys (Saimiri oerstedi) in Parque Nacional Corcovado, Costa Rica was studied and used to develop a model to interpret the evolution of seasonal sexual

The Taxonomy and Distribution of Squirrel Monkeys (Saimiri)

TLDR
Anatomically squirrel monkeys have a number of peculiarities, such as an interorbital fenestra, a double brachioradialis muscle in the arm, and a prominent articulation between the calcaneus and navicular bones of the foot, which suggest that squirrel monkey have a long evolutionary history independent of other primates.

Social behavior of the wild black-capped Capuchin (Cebus apella)

The author undertook a field survey of the capuchin (Cebus apella) lasting 60 days from December 1976 to January 1977, and determined the basic daily activity of its groups and spacing of group

Birth synchrony in squirrel monkeys (Saimiri oerstedi)

  • S. Boinski
  • Psychology
    Behavioral Ecology and Sociobiology
  • 2004
TLDR
Variable gestation length in squirrel monkeys may reflect a lability in the duration of gestation to allow coordination of the timing of births among females in a troop.