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Machiavellian intelligence : social expertise and the evolution of intellect in monkeys, apes, and humans
Editorial - the Machiavellian intelligence hypotheses. The origins of the idea what primates know about social relationships social complexity - the effect of a third party are primates mind-readers?… Expand
Learning by imitation: a hierarchical approach.
It is argued that most of the alternatives to imitation that have been proposed can be subsumed under a single process, priming, in which input increases the activation of stored internal representations. Expand
The gestural repertoire of the wild chimpanzee
The first systematic analysis of gesture in a population of wild chimpanzees is reported, describing 66 distinct gesture types and finding no support for the idea that gestures are acquired by ‘ontogenetic ritualization’ from originally effective actions. Expand
Gestural communication of the gorilla (Gorilla gorilla): repertoire, intentionality and possible origins
It is concluded that gorilla gestural communication is based on a species-typical repertoire, like those of most other mammalian species but very much larger, and employed for intentional communication to specific individuals. Expand
Ecology, feeding competition and social structure in baboons
An ecological model of baboon social structure is presented which incorporates the effects of female-female competition, male-male competition, and predation pressure, and potentially accounts for wide variability in group size, group structure and social relationships within the genus Papio. Expand
Habitat use and resource availability in baboons
Multiple regression analysis of total time spent in each quadrat revealed that apparent preferences for particular vegetation zones were a result of the spatial coincidence of these zones with sleeping sites and waterholes, emphasizing the importance of controlling for confounding factors in studying the determinants of habitat selection. Expand
Serial gesturing by wild chimpanzees: its nature and function for communication
It is suggested that young chimpanzees use sequences as a ‘fail-safe’ strategy: because they have the innate potential to produce a large and redundant repertoire of gestures but lack knowledge of which of them would be most efficient. Expand
Tactical deception in primates.
Tactical deception occurs when an individual is able to use an “honest” act from his normal repertoire in a different context to mislead familiar individuals. Although primates have a reputation for… Expand
Travel routes and planning of visits to out-of-sight resources in wild chacma baboons, Papio ursinus
The ability of animals to plan their foraging journeys and to approach resources in a goal-directed way may play a key role in cognitive evolution. Furthermore, optimal foraging theory assumes that… Expand
Dietary and foraging strategies of baboons.
- A. Whiten, R. Byrne, R. Barton, P. Waterman, S. P. Henzi
- Biology, Medicine
- Philosophical transactions of the Royal Society…
- 29 November 1991
This paper develops and test multivariate models of the basis of diet selection for populations of montane and savannah baboons and indicates convergence on lower degrees of variation than exist in superficial foodstuff profiles. Expand