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Seyfarth, R.M.; Cheney, D.L.; Marler, P. |
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Title |
Monkey responses to three different alarm calls: evidence of predator classification and semantic communication |
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Journal Article |
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Year |
1980 |
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Science (New York, N.Y.) |
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Science |
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210 |
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4471 |
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801-803 |
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*Animal Communication; Animals; Behavior, Animal/*physiology; Cercopithecidae/*physiology; *Fear; Female; Male; Predatory Behavior; Vocalization, Animal |
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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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PMID:7433999 |
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refbase @ user @ |
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351 |
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Author |
Manser, M.B.; Seyfarth, R.M.; Cheney, D.L. |
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Title |
Suricate alarm calls signal predator class and urgency |
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2002 |
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Trends in Cognitive Sciences |
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Trends. Cognit. Sci. |
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6 |
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2 |
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55-57 |
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1364-6613 |
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PMID:15866180 |
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refbase @ user @ |
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686 |
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Seyfarth, R.M.; Cheney, D.L. |
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Title |
The acoustic features of vervet monkey grunts |
Type |
Journal Article |
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Year |
1984 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
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75 |
Issue |
5 |
Pages |
1623-1628 |
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Keywords |
*Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal |
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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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0001-4966 |
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PMID:6736426 |
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refbase @ user @ |
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703 |
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Author |
Walters, J.R.; Seyfarth, R.M. |
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Title |
Primate Societies |
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Miscellaneous |
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1987 |
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Equine Behaviour @ team @ |
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4858 |
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Cheney, D.L.; Seyfarth, R.M. |
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Title |
How Monkeys See the World |
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Miscellaneous |
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1990 |
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Equine Behaviour @ team @ |
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4866 |
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Author |
Cheney, D.; Seyfarth, R.; Smuts, B. |
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Title |
Social relationships and social cognition in nonhuman primates |
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Journal Article |
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Year |
1986 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
234 |
Issue |
4782 |
Pages |
1361-1366 |
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Keywords |
Animals; *Cognition; Female; Male; Pair Bond; Primates/*physiology; *Social Behavior; Social Dominance; Social Perception |
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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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0036-8075 |
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Notes |
PMID:3538419 |
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no |
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refbase @ user @ |
Serial |
349 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
The Structure of Social Knowledge in Monkeys |
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2003 |
Publication |
Animal Social Complexity: Intelligence, Culture, and Individualized Societies |
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Harvard University Press |
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Cambridge, Massachusetts |
Editor |
F. B. M. de Waal; P. L. Tyack |
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English |
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Animal Social Complexity: Intelligence, Culture, and Individualized Societies |
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978-0674009295 |
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refbase @ user @ |
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464 |
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Author |
Cheney, D. l .; Seyfarth, R. M. |
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Title |
Social complexity and the information acquired during eavesdropping by primates and other animals |
Type |
Book Chapter |
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Year |
2004 |
Publication |
Animal Communication networks |
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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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Cambridge University Press |
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Cambridge, Massachusetts |
Editor |
McGregor, P.K. |
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no |
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Call Number |
refbase @ user @ |
Serial |
495 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
Grooming, alliances and reciprocal altruism in vervet monkeys |
Type |
Journal Article |
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Year |
1984 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
308 |
Issue |
5959 |
Pages |
541-543 |
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Keywords |
*Altruism; Animals; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; *Grooming; *Social Behavior; Vocalization, Animal |
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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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0028-0836 |
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PMID:6709060 |
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Call Number |
refbase @ user @ |
Serial |
704 |
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Author |
Cheney D.L.; Seyfarth, R.M. |
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Title |
How monkeys see the world: Inside the mind of another species |
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1990 |
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University of Chicago Press |
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Chicago |
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refbase @ user @ |
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706 |
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