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Author Graham, M.; Letz, R.
Title Within-species variation in the development of ultrasonic signaling of preweanling rats Type Journal Article
Year 1979 Publication Developmental Psychobiology Abbreviated Journal Dev Psychobiol
Volume 12 Issue 2 Pages 129-136
Keywords Animals; *Animals, Newborn; Animals, Suckling; Body Weight; Cold/adverse effects; Environment; Genotype; Individuality; Object Attachment; Rats; Stress/*physiopathology; Ultrasonics; *Vocalization, Animal
Abstract The development of litter and individual differences in the rate of ultrasonic signaling of neonatal rats was studied. Systematic variations among litters and individuals emerged, without differential treatment. These differences were not correlated with variations in general development as indexed by body weight. Two experiments using a cross-fostering design showed that litter differences developed independently of variations in postnatal environment. These results indicate that the variations among litters in ultrasound rate have a prenatal, possibly genetic, etiology and may represent reliable indicants of response to environmental stress.
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ISSN (up) 0012-1630 ISBN Medium
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Notes PMID:456751 Approved no
Call Number Equine Behaviour @ team @ Serial 4172
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Author Hrdy, S.B.
Title Male-male competition and infanticide among the langurs (Presbytis entellus) of Abu, Rajasthan Type Journal Article
Year 1974 Publication Folia Primatologica; International Journal of Primatology Abbreviated Journal Folia Primatol (Basel)
Volume 22 Issue 1 Pages 19-58
Keywords Aggression; Animals; Animals, Newborn; Coitus; *Competitive Behavior; Estrus; Feeding Behavior; Female; *Haplorhini; Homing Behavior; Humans; India; Infanticide; Leadership; Male; Maternal Behavior; Population Density; Pregnancy; Rain; Seasons; Sex Factors; Sexual Behavior, Animal; Social Behavior; Temperature; Vocalization, Animal
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ISSN (up) 0015-5713 ISBN Medium
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Notes PMID:4215710 Approved no
Call Number Serial 2051
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Author Menzel, E.W.J.
Title Communication about the environment in a group of young chimpanzees Type Journal Article
Year 1971 Publication Folia Primatologica; International Journal of Primatology Abbreviated Journal Folia Primatol (Basel)
Volume 15 Issue 3 Pages 220-232
Keywords *Animal Communication; Animals; Environment; Fear; Leadership; *Pan troglodytes; Problem Solving; Social Behavior; Species Specificity; Vocalization, Animal
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ISSN (up) 0015-5713 ISBN Medium
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Notes PMID:5120654 Approved no
Call Number Equine Behaviour @ team @ Serial 4184
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Author Schmidt, R.; Amrhein, V.; Kunc, H.P.; Naguib, M.
Title The day after: effects of vocal interactions on territory defence in nightingales Type Journal Article
Year 2007 Publication The Journal of Animal Ecology Abbreviated Journal T. J. Anim. Ecol.
Volume 76 Issue 1 Pages 168-173
Keywords Aggression; Animals; Male; Songbirds/*physiology; *Territoriality; Time Factors; Vocalization, Animal/*physiology
Abstract 1. Models on territory acquisition and tenure predict that territorial animals benefit by adjusting territorial defence behaviour to previous challenges they had experienced within the socially complex environment of communication networks. 2. Here, we addressed such issues of social cognition by investigating persisting effects of vocal contests on territory defence behaviour in nightingales Luscinia megarhynchos (Brehm). 3. Using interactive playback during nocturnal song of subjects, a rival was simulated to countersing either aggressively (by song overlapping) or moderately (by song alternating) from outside the subjects' territory. Thereby, the time-specific singing strategy provided an experimentally controlled source of information on the motivation of an unfamiliar rival. 4. Expecting that nightingales integrate information with time, the same rival was simulated to return as a moderately singing intruder on the following morning. 5. The results show that the vigour with which male nightingales responded to the simulated intrusion of an opponent during the day depended on the nature of the nocturnal vocal interaction experienced several hours before. 6. Males that had received the song overlapping playback the preceding night approached the simulated intruder more quickly and closer and sang more songs near the loudspeaker than did males that had received a song alternating playback. 7. This adjustment of territory defence strategies depending on information from prior signalling experience suggests that integrating information with time plays an important part in territory defence by affecting a male's decision making in a communication network.
Address Department of Animal Behaviour, Bielefeld University, PO Box 100 131, D-33501 Bielefeld, Germany. rouven.schmidt@uni-bielefeld.de
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ISSN (up) 0021-8790 ISBN Medium
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Notes PMID:17184365 Approved no
Call Number Equine Behaviour @ team @ Serial 2749
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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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ISSN (up) 0028-0836 ISBN Medium
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Notes PMID:6709060 Approved no
Call Number refbase @ user @ Serial 704
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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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ISSN (up) 0036-8075 ISBN Medium
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Notes PMID:7433999 Approved no
Call Number refbase @ user @ Serial 351
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Author Janik, V.M.
Title Whistle matching in wild bottlenose dolphins (Tursiops truncatus) Type Journal Article
Year 2000 Publication Science (New York, N.Y.) Abbreviated Journal Science
Volume 289 Issue 5483 Pages 1355-1357
Keywords Animals; Animals, Wild/physiology; Dolphins/*physiology; *Imitative Behavior; *Learning; *Social Behavior; *Vocalization, Animal
Abstract Dolphin communication is suspected to be complex, on the basis of their call repertoires, cognitive abilities, and ability to modify signals through vocal learning. Because of the difficulties involved in observing and recording individual cetaceans, very little is known about how they use their calls. This report shows that wild, unrestrained bottlenose dolphins use their learned whistles in matching interactions, in which an individual responds to a whistle of a conspecific by emitting the same whistle type. Vocal matching occurred over distances of up to 580 meters and is indicative of animals addressing each other individually.
Address School of Biology, University of St. Andrews, Bute Building, Fife KY16 9TS, UK
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ISSN (up) 0036-8075 ISBN Medium
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Notes PMID:10958783 Approved no
Call Number refbase @ user @ Serial 550
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Author Seyfarth, R.M.; Cheney, D.L.
Title Meaning and mind in monkeys Type Journal Article
Year 1992 Publication Scientific American Abbreviated Journal Sci Am
Volume 267 Issue 6 Pages 122-128
Keywords Animals; Behavior, Animal; Female; *Haplorhini; Male; Speech; *Vocalization, Animal
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Address University of Pennsylvania
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ISSN (up) 0036-8733 ISBN Medium
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Notes PMID:1439710 Approved no
Call Number refbase @ user @ Serial 701
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Author Kiley, M.
Title The vocalizations of ungulates, their causation and function Type Journal Article
Year 1972 Publication Zeitschrift für Tierpsychologie Abbreviated Journal Z. Tierpsychol.
Volume 31 Issue 2 Pages 171-222
Keywords Aggression; Animals; *Artiodactyla; Cattle; Fear; Female; Frustration; Horses; Humans; Male; Pain; *Perissodactyla; Sexual Behavior, Animal; Social Behavior; Social Dominance; Swine; *Vocalization, Animal
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ISSN (up) 0044-3573 ISBN Medium
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Notes PMID:4674022 Approved no
Call Number refbase @ user @ Serial 681
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Author Seyfarth, R.M.; Cheney, D.L.
Title Signalers and receivers in animal communication Type Journal Article
Year 2003 Publication Annual review of psychology Abbreviated Journal Annu Rev Psychol
Volume 54 Issue Pages 145-173
Keywords Affect; *Animal Communication; Animals; Arousal; Auditory Perception; Motivation; *Social Behavior; Social Environment; Species Specificity; *Vocalization, Animal
Abstract In animal communication natural selection favors callers who vocalize to affect the behavior of listeners and listeners who acquire information from vocalizations, using this information to represent their environment. The acquisition of information in the wild is similar to the learning that occurs in laboratory conditioning experiments. It also has some parallels with language. The dichotomous view that animal signals must be either referential or emotional is false, because they can easily be both: The mechanisms that cause a signaler to vocalize do not limit a listener's ability to extract information from the call. The inability of most animals to recognize the mental states of others distinguishes animal communication most clearly from human language. Whereas signalers may vocalize to change a listener's behavior, they do not call to inform others. Listeners acquire information from signalers who do not, in the human sense, intend to provide it.
Address Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. seyfarth@psych.upenn.edu
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ISSN (up) 0066-4308 ISBN Medium
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Notes PMID:12359915 Approved no
Call Number refbase @ user @ Serial 690
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