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| 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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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0036-8075 | ISBN | Medium | ||
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| Notes | PMID:7433999 | Approved | 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 | |||
| Year | 2002 | Publication | Trends in Cognitive Sciences | Abbreviated Journal | Trends. Cognit. Sci. |
| Volume | 6 | Issue | 2 | Pages | 55-57 |
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1364-6613 | ISBN | Medium | ||
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| Notes | PMID:15866180 | Approved | 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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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0001-4966 | ISBN | Medium | ||
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| Notes | PMID:6736426 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 703 | ||
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| Author | Cheney, D.L.; Seyfarth, R.M. | ||||
| Title | How Monkeys See the World | Type | Miscellaneous | ||
| Year | 1990 | Publication | Abbreviated Journal | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4866 | ||
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| Author | Cheney, D.; Seyfarth, R.; Smuts, B. | ||||
| Title | Social relationships and social cognition in nonhuman primates | Type | Journal Article | ||
| Year | 1986 | Publication | Science (New York, N.Y.) | Abbreviated Journal | Science |
| Volume | 234 | Issue | 4782 | Pages | 1361-1366 |
| Keywords | Animals; *Cognition; Female; Male; Pair Bond; Primates/*physiology; *Social Behavior; Social Dominance; Social Perception | ||||
| Abstract | Complex social relationships among nonhuman primates appear to contribute to individual reproductive success. Experiments with and behavioral observations of natural populations suggest that sophisticated cognitive mechanisms may underlie primate social relationships. Similar capacities are usually less apparent in the nonsocial realm, supporting the view that at least some aspects of primate intelligence evolved to solve the challenges of interacting with conspecifics. | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0036-8075 | ISBN | Medium | ||
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| Notes | PMID:3538419 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 349 | ||
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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 | Abbreviated Journal | |
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| Publisher | Harvard University Press | Place of Publication | Cambridge, Massachusetts | Editor | F. B. M. de Waal; P. L. Tyack |
| Language | English | Summary Language | Original Title | Animal Social Complexity: Intelligence, Culture, and Individualized Societies | |
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| ISSN | ISBN | 978-0674009295 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 464 | ||
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| Author | Cheney, D. l .; Seyfarth, R. M. | ||||
| Title | Social complexity and the information acquired during eavesdropping by primates and other animals | Type | Book Chapter | ||
| Year | 2004 | Publication | Animal Communication networks | Abbreviated Journal | |
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| Abstract | In many of the studies reviewed in this book, eavesdropping takes the following form: a subject has the opportunity to monitor, or eavesdrop upon, an interaction between two other animals,Aand B. The subject then uses the information obtained through these observations to assess A`s and B`s relative dominance or attractiveness as a mate (e.g. Mennill et al., 2002; Ch. 2). For example, Oliveira et al. (1998) found that male fighting fish Betta splendens that had witnessed two other males involved in an aggressive interaction subsequently responded more strongly to the loser of that interaction than the winner. Subjects-behaviour could not have been influenced by any inherent differences between the two males, because subjects responded equally strongly to the winner and the loser of competitive interactions they had not observed. Similarly, Peake et al. (2001) presented male great tits Parus major with the opportunity to monitor an apparent competitive interaction between two strangers by simulating a singing contest using two loudspeakers. The relative timing of the singing bouts (as measured by the degree of overlap between the two songs) provided information about each “contestants” relative status. Following the singing interaction, one of the “contestants” was introduced into the male`s territory. Males responded significantly less strongly to singers that had apparently just “lost” the interaction (see also McGregor & Dabelsteen, 1996; Naguib et al., 1999; Ch. 2). What information does an individual acquire when it eavesdrops on others? In theory, an eavesdropper could acquire information of many different sorts: about A, about B, about the relationship between A and B, or about the place of Animal Communication Networks, ed. Peter K. McGregor. Published by Cambridge University Press. c. Cambridge University Press 2005. 583 P1: JZZ/... P2: JZZ/... 0521823617c25.xml CU1917B/McGregor 0 521 582361 7 October 7, 2004 22:31 584 D. L. Cheney & R. M. Seyfarth A`s and B`s relationship in a larger social framework. The exact information acquired will probably reflect the particular species social structure. For example, songbirds like great tits live in communities in which six or seven neighbours surround each territory-holding male. Males appear to benefit from the knowledge that certain individuals occupy specific areas (e.g. Brooks & Falls, 1975), that competitive interactions between two different neighbours have particular outcomes, and that these outcomes are stable over time. We would, therefore, expect an eavesdropping great tit not only to learn that neighbour A was dominant to neighbour B, for example, but also to form the expectation that A was likely to defeat B in all future encounters. More speculatively, because the outcome of territorial interactions are often site specific (reviewed by Bradbury & Vehrencamp, 1998), we would expect eavesdropping tits to learn further that A dominates B in some areas but B dominates A in others. In contrast, the information gained from monitoring neighbours interactions would unlikely be sufficient to allow the eavesdropper to rank all of its neighbours in a linear dominance hierarchy, because not all neighbouring males would come into contact with one another. Such information would be difficult if not impossible to acquire; it might also be of little functional value. In contrast, species that live in large, permanent social groups have a much greater opportunity to monitor the social interactions of many different individuals simultaneously. Monkey species such as baboons Papio cynocephalus, for example, typically live in groups of 80 or more individuals, which include several matrilineal families arranged in a stable, linear dominance rank order (Silk et al., 1999). Offspring assume ranks similar to those of their mothers, and females maintain close bonds with their matrilineal kin throughout their lives. Cutting across these stable long-term relationships based on rank and kinship are more transient bonds: for example, the temporary associations formed between unrelated females whose infants are of similar ages, and the “friendships” formed between adult males and lactating females as an apparent adaptation against infanticide (Palombit et al., 1997, 2001). In order to compete successfully within such groups, it would seem advantageous for individuals to recognize who outranks whom, who is closely bonded to whom, and who is likely to be allied to whom (Harcourt, 1988, 1992; Cheney & Seyfarth, 1990; see below). The ability to adopt a third party`s perspective and discriminate among the social relationships that exist among others would seem to be of great selective benefit. In this chapter, we review evidence for eavesdropping in selected primate species and we consider what sort of information is acquired when one individual observes or listens in on the interactions of others. We then compare eavesdropping by primates with eavesdropping in other animal species, focusing on both potential differences and directions for further research |
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| Publisher | Cambridge University Press | Place of Publication | Cambridge, Massachusetts | Editor | McGregor, P.K. |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 495 | ||
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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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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0028-0836 | ISBN | Medium | ||
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| Notes | PMID:6709060 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 704 | ||
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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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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 816 | ||
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| Author | Silk, J.; Cheney, D.; Seyfarth, R. | ||||
| Title | A practical guide to the study of social relationships | Type | Journal Article | ||
| Year | 2013 | Publication | Evolutionary Anthropology: Issues, News, and Reviews | Abbreviated Journal | Evol. Anthropol. |
| Volume | 22 | Issue | 5 | Pages | 213-225 |
| Keywords | observational methods; behavioral analysis; methods; dyadic relationships; social bonds | ||||
| Abstract | Behavioral ecologists have devoted considerable effort to identifying the sources of variation in individual reproductive success. Much of this work has focused on the characteristics of individuals, such as their sex and rank. However, many animals live in stable social groups and the fitness of individuals depends at least in part on the outcome of their interactions with other group members. For example, in many primate species, high dominance rank enhances access to resources and reproductive success. The ability to acquire and maintain high rank often depends on the availability and effectiveness of coalitionary support. Allies may be cultivated and coalitions may be reinforced by affiliative interactions such as grooming, food sharing, and tolerance. These findings suggest that if we want to understand the selective pressures that shape the social behavior of primates, it will be profitable to broaden our focus from the characteristics of individuals to the properties of the relationships that they form with others. The goal of this paper is to discuss a set of methods that can be used to quantify the properties of social relationships. | ||||
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| ISSN | 1520-6505 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5748 | ||
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