| Records |
| Author |
Seyfarth, R.M.; Cheney, D.L.; Marler, P. |
| Title |
Monkey responses to three different alarm calls: evidence of predator classification and semantic communication |
Type |
Journal Article |
| Year |
1980 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
210 |
Issue |
4471 |
Pages |
801-803 |
| Keywords |
*Animal Communication; Animals; Behavior, Animal/*physiology; Cercopithecidae/*physiology; *Fear; Female; Male; Predatory Behavior; Vocalization, Animal |
| Abstract |
Vervet monkeys give different alarm calls to different predators. Recordings of the alarms played back when predators were absent caused the monkeys to run into trees for leopard alarms, look up for eagle alarms, and look down for snake alarms. Adults call primarily to leopards, martial eagles, and pythons, but infants give leopard alarms to various mammals, eagle alarms to many birds, and snake alarms to various snakelike objects. Predator classification improves with age and experience. |
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0036-8075 |
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| Notes |
PMID:7433999 |
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no |
| Call Number |
refbase @ user @ |
Serial |
351 |
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| Author |
Manser, M.B.; Seyfarth, R.M.; Cheney, D.L. |
| Title |
Suricate alarm calls signal predator class and urgency |
Type |
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| Year |
2002 |
Publication |
Trends in Cognitive Sciences |
Abbreviated Journal |
Trends. Cognit. Sci. |
| Volume |
6 |
Issue |
2 |
Pages |
55-57 |
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1364-6613 |
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| Notes |
PMID:15866180 |
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no |
| Call Number |
refbase @ user @ |
Serial |
686 |
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| Author |
Seyfarth, R.M.; Cheney, D.L. |
| Title |
The acoustic features of vervet monkey grunts |
Type |
Journal Article |
| Year |
1984 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
| Volume |
75 |
Issue |
5 |
Pages |
1623-1628 |
| Keywords |
*Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal |
| Abstract |
East African vervet monkeys give short (125 ms), harsh-sounding grunts to each other in a variety of social situations: when approaching a dominant or subordinate member of their group, when moving into a new area of their range, or upon seeing another group. Although all these vocalizations sound similar to humans, field playback experiments have shown that the monkeys distinguish at least four different calls. Acoustic analysis reveals that grunts have an aperiodic F0, at roughly 240 Hz. Most grunts exhibit a spectral peak close to this irregular F0. Grunts may also contain a second, rising or falling frequency peak, between 550 and 900 Hz. The location and changes in these two frequency peaks are the cues most likely to be used by vervets when distinguishing different grunt types. |
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| ISSN |
0001-4966 |
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| Notes |
PMID:6736426 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
703 |
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| Author |
Walters, J.R.; Seyfarth, R.M. |
| Title |
Primate Societies |
Type |
Miscellaneous |
| Year |
1987 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4858 |
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| Author |
Cheney, D.L.; Seyfarth, R.M. |
| Title |
How Monkeys See the World |
Type |
Miscellaneous |
| Year |
1990 |
Publication |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4866 |
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| Author |
Seyfarth, R.M.; Cheney, D.L. |
| Title |
The Structure of Social Knowledge in Monkeys |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Animal Social Complexity: Intelligence, Culture, and Individualized Societies |
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Harvard University Press |
Place of Publication |
Cambridge, Massachusetts |
Editor |
F. B. M. de Waal; P. L. Tyack |
| Language |
English |
Summary Language |
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Original Title |
Animal Social Complexity: Intelligence, Culture, and Individualized Societies |
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ISBN |
978-0674009295 |
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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
464 |
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| Author |
Seyfarth, R.M.; Cheney, D.L. |
| Title |
Grooming, alliances and reciprocal altruism in vervet monkeys |
Type |
Journal Article |
| Year |
1984 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
308 |
Issue |
5959 |
Pages |
541-543 |
| Keywords |
*Altruism; Animals; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; *Grooming; *Social Behavior; Vocalization, Animal |
| Abstract |
Reciprocal altruism refers to the exchange of beneficial acts between individuals, in which the benefits to the recipient exceed the cost to the altruist. Theory predicts that cooperation among unrelated animals can occur whenever individuals encounter each other regularly and are capable of adjusting their cooperative behaviour according to experience. Although the potential for reciprocal altruism exists in many animal societies, most interactions occur between closely related individuals, and examples of reciprocity among non-kin are rare. The field experiments on vervet monkeys which we present here demonstrate that grooming between unrelated individuals increases the probability that they will subsequently attend to each others' solicitations for aid. Vervets appear to be more willing to aid unrelated individuals if those individuals have behaved affinitively toward them in the recent past. In contrast, recent grooming between close genetic relatives appears to have no effect on their willingness to respond to each other's solicitations for aid. |
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English |
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| ISSN |
0028-0836 |
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| Notes |
PMID:6709060 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
704 |
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| Author |
Cheney D.L.; Seyfarth, R.M. |
| Title |
How monkeys see the world: Inside the mind of another species |
Type |
Book Whole |
| Year |
1990 |
Publication |
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Issue |
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| Publisher |
University of Chicago Press |
Place of Publication |
Chicago |
Editor |
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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
706 |
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| Author |
Crockford, C.; Wittig, R.M.; Seyfarth, R.M.; Cheney, D.L. |
| Title |
Baboons eavesdrop to deduce mating opportunities |
Type |
Journal Article |
| Year |
2007 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
73 |
Issue |
5 |
Pages |
885-890 |
| Keywords |
baboon; cognition; eavesdropping; extrapair copulation; mate guarding; Papio hamadryas ursinus; primate; social intelligence; third-party relationships; transient relationships |
| Abstract |
Many animals appear to monitor changes in other individuals' dominance ranks and social relationships and to track changes in them. However, it is not known whether they also track changes in very transient relationships. Rapid recognition of a temporary separation between a dominant male and a sexually receptive female, for example, should be adaptive in species where subordinate males use opportunistic strategies to achieve mating success. Dominant male baboons (Papio hamadryas ursinus) form sexual consortships with oestrous females that are characterized by mate guarding and close proximity. To assess whether subordinate males track temporary changes in the status of other males' consortships, we conducted playback experiments using a two-speaker paradigm. In the test condition, subjects heard the consort male's grunts played from one speaker and his consort female's copulation call played from a speaker approximately 40 m away. This sequence suggested that the male and female had temporarily separated and that the female was mating with another male. In a control trial, subjects heard another dominant male's grunts played from one speaker and the female's copulation call played from the other. In a second control trial, conducted within 24 h after the consortship had ended, subjects again heard the consort male's grunt and the female's copulation call played from separate speakers. As predicted, subjects responded strongly only in the test condition. Eavesdropping upon the temporal and spatial juxtaposition of other individuals' vocalizations may be one strategy by which male baboons achieve sneaky matings. |
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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
816 |
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| Author |
Cheney, D.L.; Seyfarth, R.M |
| Title |
Social and non.social knowledge in vervet monkeys |
Type |
Book Chapter |
| Year |
1988 |
Publication |
Machiavellian Intelligence |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
255-270 |
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| Publisher |
Oxford Univ Press |
Place of Publication |
Oxford |
Editor |
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ISBN |
0-19-852175-8 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ Byrne+Whiten1988 |
Serial |
4787 |
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