| Records |
| Author |
Baker, K.C.; Seres, E.; Aureli, F.; De Waal, F.B. |
| Title |
Injury risks among chimpanzees in three housing conditions |
Type |
Journal Article |
| Year |
2000 |
Publication |
American journal of primatology |
Abbreviated Journal |
Am. J. Primatol. |
| Volume |
51 |
Issue |
3 |
Pages |
161-175 |
Keywords  |
Aggression; *Animal Welfare; Animals; Female; *Housing, Animal; Male; *Pan troglodytes; Risk Assessment; Wounds and Injuries/*veterinary |
| Abstract |
Meeting the psychological needs of chimpanzees (Pan troglodytes) can be a challenge given their aggressiveness on the one hand and the complexity of their social lives on the other. It is unclear how to balance the need to provide opportunities for species-appropriate behavior against potential risks of injury chimpanzees may inflict on each other. This study evaluates the suggestion that simpler social environments protect chimpanzees from wounding. Over a two-year period all visible injuries to 46 adult males, 64 adult females, and 25 immature chimpanzees were recorded at the Yerkes Regional Primate Research Center. Approximately half of the subjects were mother-reared, and the rest were nursery-reared. Housing included compounds containing about 20 chimpanzees, interconnected indoor-outdoor runs for groups of up to 12 individuals, and smaller indoor-outdoor runs for pairs and trios. Annual wounding rates were calculated for serious wounds (extensive injuries and all those requiring veterinary intervention) as well as for minor wounds. Compound-housed chimpanzees incurred the highest level of minor wounding, but serious wounding levels were not affected by housing condition. Even with a period of dominance instability and elevated levels of wounding in one compound, compound chimpanzees were not injured more than those in smaller social groups over the long term. Nursery-reared females in moderate-sized groups were wounded more than mother-reared females. Also, nursery-reared males and females were wounded less often when paired with mother-reared companions. Overall, this study indicates that maintaining chimpanzees in pairs and trios would not be an effective means for reducing injuries. The management of wounding in chimpanzee colonies is influenced more by the sex and rearing composition of a colony. |
| Address |
Living Links Center, Yerkes Regional Primate Research Center, Emory University, Atlanta, Georgia 30322, USA. kateb@rmy.emory.edu |
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| Language |
English |
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Edition |
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| ISSN |
0275-2565 |
ISBN |
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| Notes |
PMID:10902665 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
188 |
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| Author |
Aureli, F.; Preston, S.D.; de Waal, F.B. |
| Title |
Heart rate responses to social interactions in free-moving rhesus macaques (Macaca mulatta): a pilot study |
Type |
Journal Article |
| Year |
1999 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
113 |
Issue |
1 |
Pages |
59-65 |
| Keywords |
Animals; Behavior, Animal/physiology; Female; Grooming/physiology; Heart Rate/*physiology; Macaca mulatta/*physiology; Male; Movement/*physiology; Pilot Projects; *Social Behavior |
| Abstract |
Heart rate telemetry was explored as a means to access animal emotion during social interactions under naturalistic conditions. Heart rates of 2 middle-ranking adult females living in a large group of rhesus macaques (Macaca mulatta) were recorded along with their behavior. Heart rate changes during 2 types of interactions were investigated, while controlling for the effects of posture and activity. The risk of aggression associated with the approach of a dominant individual was expected to provoke anxiety in the approachee. This prediction was supported by the heart rate increase after such an approach. No increase was found when the approacher was a kin or a subordinate individual. The tension-reduction function of allogrooming was also supported. Heart rate decelerated faster during the receipt of grooming than in matched control periods. |
| Address |
Yerkes Regional Primate Research Center, Emory University, Atlanta, Georgia 30322, USA. aureli@rmy.emory.edu |
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English |
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Edition |
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| ISSN |
0735-7036 |
ISBN |
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Medium |
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| Notes |
PMID:10098269 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
197 |
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| Author |
Ramos-Fernández, G.; Boyer, D.; Aureli, F.; Vick, L. |
| Title |
Association networks in spider monkeys (Ateles geoffroyi) |
Type |
Journal Article |
| Year |
2009 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
| Volume |
63 |
Issue |
7 |
Pages |
999-1013-1013 |
| Keywords |
Biomedical and Life Sciences |
| Abstract |
We use two novel techniques to analyze association patterns in a group of wild spider monkeys (Ateles geoffroyi) studied continuously for 8 years. Permutation tests identified association rates higher or lower than chance expectation, indicating active processes of companionship and avoidance as opposed to passive aggregation. Network graphs represented individual adults as nodes and their association rates as weighted edges. Strength and eigenvector centrality (a measure of how strongly linked an individual is to other strongly linked individuals) were used to quantify the particular role of individuals in determining the network's structure. Female–female dyads showed higher association rates than any other type of dyad, but permutation tests revealed that these associations cannot be distinguished from random aggregation. Females formed tightly linked clusters that were stable over time, with the exception of immigrant females who showed little association with any adult in the group. Eigenvector centrality was higher for females than for males. Adult males were associated mostly among them, and although their strength of association with others was lower than that of females, their association rates revealed a process of active companionship. Female–male bonds were weaker than those between same-sex pairs, with the exception of those involving young male adults, who by virtue of their strong connections both with female and male adults, appear as temporary brokers between the female and male clusters of the network. This analytical framework can serve to develop a more complete explanation of social structure in species with high levels of fission–fusion dynamics. |
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Springer Berlin / Heidelberg |
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| ISSN |
0340-5443 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5220 |
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| Author |
MacLean, E.; Matthews, L.; Hare, B.; Nunn, C.; Anderson, R.; Aureli, F.; Brannon, E.; Call, J.; Drea, C.; Emery, N.; Haun, D.; Herrmann, E.; Jacobs, L.; Platt, M.; Rosati, A.; Sandel, A.; Schroepfer, K.; Seed, A.; Tan, J.; van Schaik, C.; Wobber, V. |
| Title |
How does cognition evolve? Phylogenetic comparative psychology |
Type |
Journal Article |
| Year |
2012 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
15 |
Issue |
2 |
Pages |
223-238 |
| Keywords |
Biomedizin & Life Sciences |
| Abstract |
Now more than ever animal studies have the potential to test hypotheses regarding how cognition evolves. Comparative psychologists have developed new techniques to probe the cognitive mechanisms underlying animal behavior, and they have become increasingly skillful at adapting methodologies to test multiple species. Meanwhile, evolutionary biologists have generated quantitative approaches to investigate the phylogenetic distribution and function of phenotypic traits, including cognition. In particular, phylogenetic methods can quantitatively (1) test whether specific cognitive abilities are correlated with life history (e.g., lifespan), morphology (e.g., brain size), or socio-ecological variables (e.g., social system), (2) measure how strongly phylogenetic relatedness predicts the distribution of cognitive skills across species, and (3) estimate the ancestral state of a given cognitive trait using measures of cognitive performance from extant species. Phylogenetic methods can also be used to guide the selection of species comparisons that offer the strongest tests of a priori predictions of cognitive evolutionary hypotheses (i.e., phylogenetic targeting). Here, we explain how an integration of comparative psychology and evolutionary biology will answer a host of questions regarding the phylogenetic distribution and history of cognitive traits, as well as the evolutionary processes that drove their evolution. |
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Springer Berlin / Heidelberg |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5604 |
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| Author |
Schino, G.; Aureli, F. |
| Title |
Reciprocity in group-living animals: partner control versus partner choice |
Type |
Journal Article |
| Year |
2016 |
Publication |
Biological Reviews |
Abbreviated Journal |
Biol Rev |
| Volume |
92 |
Issue |
2 |
Pages |
665-672 |
| Keywords |
cooperation; reciprocity; partner control; partner choice; proximate mechanisms |
| Abstract |
ABSTRACT Reciprocity is probably the most debated of the evolutionary explanations for cooperation. Part of the confusion surrounding this debate stems from a failure to note that two different processes can result in reciprocity: partner control and partner choice. We suggest that the common observation that group-living animals direct their cooperative behaviours preferentially to those individuals from which they receive most cooperation is to be interpreted as the result of the sum of the two separate processes of partner control and partner choice. We review evidence that partner choice is the prevalent process in primates and propose explanations for this pattern. We make predictions that highlight the need for studies that separate the effects of partner control and partner choice in a broader variety of group-living taxa. |
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Wiley/Blackwell (10.1111) |
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| ISSN |
1464-7931 |
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| Notes |
doi: 10.1111/brv.12248 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6411 |
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