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Author  |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
The acoustic features of vervet monkey grunts |
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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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Volume |
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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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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English |
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0001-4966 |
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PMID:6736426 |
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no |
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Call Number |
refbase @ user @ |
Serial |
703 |
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Author |
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 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
210 |
Issue |
4471 |
Pages |
801-803 |
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Keywords |
*Animal Communication; Animals; Behavior, Animal/*physiology; Cercopithecidae/*physiology; *Fear; Female; Male; Predatory Behavior; Vocalization, Animal |
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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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Call Number |
refbase @ user @ |
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351 |
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Author |
Stober, M.; Geiger, J.F. |
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Title |
[Lamenting “moaning” in domestic cattle] |
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Journal Article |
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Year |
1975 |
Publication |
DTW. Deutsche Tierarztliche Wochenschrift |
Abbreviated Journal |
Dtsch Tierarztl Wochenschr |
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Volume |
82 |
Issue |
1 |
Pages |
10-13 |
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Keywords |
Animals; Behavior, Animal; *Cattle; Female; Personality; *Vocalization, Animal |
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German |
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Original Title |
Untersuchungen uber das klagende “Anken” beim Hausrind |
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0341-6593 |
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PMID:1089525 |
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Call Number |
Equine Behaviour @ team @ |
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4173 |
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Author |
Thornton, A.; McAuliffe, K. |
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Title |
Teaching in wild meerkats |
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Journal Article |
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Year |
2006 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
313 |
Issue |
5784 |
Pages |
227-229 |
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Keywords |
Animals; *Animals, Wild/psychology; Behavior, Animal; *Herpestidae/psychology; *Learning; *Predatory Behavior; South Africa; *Teaching; Vocalization, Animal |
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Abstract |
Despite the obvious benefits of directed mechanisms that facilitate the efficient transfer of skills, there is little critical evidence for teaching in nonhuman animals. Using observational and experimental data, we show that wild meerkats (Suricata suricatta) teach pups prey-handling skills by providing them with opportunities to interact with live prey. In response to changing pup begging calls, helpers alter their prey-provisioning methods as pups grow older, thus accelerating learning without the use of complex cognition. The lack of evidence for teaching in species other than humans may reflect problems in producing unequivocal support for the occurrence of teaching, rather than the absence of teaching. |
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Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. jant2@cam.ac.uk |
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1095-9203 |
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PMID:16840701 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2834 |
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Author |
Wich, S.A.; de Vries, H. |
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Title |
Male monkeys remember which group members have given alarm calls |
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Journal Article |
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Year |
2006 |
Publication |
Proceedings. Biological Sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
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Volume |
273 |
Issue |
1587 |
Pages |
735-740 |
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Keywords |
Animals; Behavior, Animal/*physiology; Cercopithecidae/*physiology/*psychology; Cognition/physiology; Fear/physiology/*psychology; Female; Indonesia; Male; Vocalization, Animal/*physiology |
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Abstract |
Primates give alarm calls in response to the presence of predators. In some species, such as the Thomas langur (Presbytis thomasi), males only emit alarm calls if there is an audience. An unanswered question is whether the audience's behaviour influences how long the male will continue his alarm calling. We tested three hypotheses that might explain the alarm calling duration of male Thomas langurs: the fatigue, group size and group member behaviour hypotheses. Fatigue and group size did not influence male alarm calling duration. We found that males only ceased calling shortly after all individuals in his group had given at least one alarm call. This shows that males keep track of and thus remember which group members have called. |
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Address |
Behavioural Biology, Utrecht University, Padualaan 14, 3584 Utrecht, The Netherlands. s.a.wich@bio.uu.nl |
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0962-8452 |
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Notes |
PMID:16608694 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2816 |
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Author |
Yeon, S.C. |
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Title |
Acoustic communication in the domestic horse (Equus caballus) |
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Journal Article |
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Year |
2012 |
Publication |
Journal of Veterinary Behavior: Clinical Applications and Research |
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Volume |
7 |
Issue |
3 |
Pages |
179-185 |
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Keywords |
horse; communication; vocalization |
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Abstract |
Equine vocalization and acoustic sounds can communicate a horse’s emotional state, physiological state, and situation to other individuals, including other horses and humans. These vocalizations and acoustic sounds can be divided into several types. The whinny, nicker, squeal, blow, snore, snort, roar, and groan are typical types of horse vocalizations and acoustic sounds. The sound localization thresholds of horses are markedly poorer than those of other large mammals, such as humans and elephants. The audiogram of horse has shown their best sensitivity and hearing range in which it perceives sound. Laryngeal diseases, such as laryngeal hemiplegia, dorsal displacement of the soft palate, and alar fold paralysis, can cause laryngeal sounds in the upper airway. The analyses of horses’ vocalizations and laryngeal sounds that are reviewed in this article were conducted with computer-aided analysis programs using spectrograms and spectra that evaluate several parameters, including amplitude, fundamental frequency, duration, and formants. Laryngeal sound analysis could be a useful method for diagnosing upper airway diseases. This article presents a review of the literature describing scientific analyses of horse vocalizations and acoustic sounds to elucidate equine acoustic communications and aid in the development of horse-human bonds. |
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ISSN |
1558-7878 |
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Call Number |
Equine Behaviour @ team @ |
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5681 |
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Author |
Zentall, T.R. |
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Title |
Action imitation in birds |
Type |
Journal Article |
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Year |
2004 |
Publication |
Learning & behavior : a Psychonomic Society publication |
Abbreviated Journal |
Learn Behav |
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Volume |
32 |
Issue |
1 |
Pages |
15-23 |
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Keywords |
Adaptation, Psychological; Animals; *Birds; *Imitative Behavior; Imprinting (Psychology); *Learning; Motivation; Psychological Theory; *Social Environment; *Social Facilitation; Vocalization, Animal |
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Abstract |
Action imitation, once thought to be a behavior almost exclusively limited to humans and the great apes, surprisingly also has been found in a number of bird species. Because imitation has been viewed by some psychologists as a form of intelligent behavior, there has been interest in how it is distributed among animal species. Although the mechanisms responsible for action imitation are not clear, we are now at least beginning to understand the conditions under which it occurs. In this article, I try to identify and differentiate the various forms of socially influenced behavior (species-typical social reactions, social effects on motivation, social effects on perception, socially influenced learning, and action imitation) and explain why it is important to differentiate imitation from other forms of social influence. I also examine some of the variables that appear to be involved in the occurrence of imitation. Finally, I speculate about why a number of bird species, but few mammal species, appear to imitate. |
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Department of Psychology, University of Kentucky, Lexington, Kentucky 40506, USA. zentall@uky.edu |
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ISSN |
1543-4494 |
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Notes |
PMID:15161137 |
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Call Number |
refbase @ user @ |
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230 |
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