Wild vervet monkeys copy alternative methods for opening an artificial fruit
نویسندگان
چکیده
منابع مشابه
Wild Vervet Monkeys Trade Tolerance and Specific Coalitionary Support for Grooming in Experimentally Induced Conflicts
Grooming is a key social behavior in many primate species. Research has focused on three important aspects: the short- and long-term trading patterns of grooming for itself and/or for other commodities like tolerance or coalitionary support, the issue of whether exchanges are a convincing example for reciprocity, and what decision rules underlie trading. These issues remain largely unresolved d...
متن کاملSupply and demand determine the market value of food providers in wild vervet monkeys.
Animals neither negotiate verbally nor conclude binding contracts, but nevertheless regularly exchange goods and services without overt coercion and manage to arrive at agreements over exchange rates. Biological market theory predicts that such exchange rates fluctuate according to the law of supply and demand. Previous studies showed that primates pay more when commodities become scarcer: subo...
متن کاملAlimentary tract parasites of vervet monkeys (Cercopithecus aethiops): A potential reservoir for human transmission
Monkeys are important experimental models for investigating human diseases. The aim of this study was to survey the alimentary tract parasites among imported vervet monkeys (Cercopithecus aethiops) to Iran. Fecal samples were collected from 40 vervets imported from Tanzania to Razi Vaccine and Serum Research Institute of Iran. Fecal samples were assessed by direct smear and Telman sedimentation...
متن کاملInduced Cooperation to Access a Shareable Reward Increases the Hierarchical Segregation of Wild Vervet Monkeys
Until now cooperation experiments in primates have paid little attention to how cooperation can emerge and what effects are produced on the structure of a social group in nature. I performed field experiments with three groups of wild vervet monkeys in South Africa. I induced individuals to repeatedly approach and operate food containers. At least two individuals needed to operate the container...
متن کاملThird-Party Ranks Knowledge in Wild Vervet Monkeys (Chlorocebus aethiops pygerythrus)
The Machiavellian/Social Intelligence Hypothesis proposes that a complex social environment selected for advanced cognitive abilities in vertebrates. In primates it has been proposed that sophisticated social strategies like obtaining suitable coalition partners are an important component of social intelligence. Knowing the rank relationships between group members is a basic requirement for the...
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ژورنال
عنوان ژورنال: Animal Cognition
سال: 2014
ISSN: 1435-9448,1435-9456
DOI: 10.1007/s10071-014-0830-4