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| Author | Pickerel, T.M.; Crowell-Davis, S.L.; Caudle, A.B.; Estep, D.Q. | ||||
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Sexual preference of mares (Equus caballus) for individual stallions | Type | Journal Article | ||
| Year | 1993 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 38 | Issue | 1 | Pages | 1-13 |
| Keywords | Horse; Sexual behavior; Sexual preference; Vocalization | ||||
| Abstract | Eight mares were tested to determine if they remained near one of two stallions longer than would be expected if association was random. Six stallions were paired in 30 combinations and each mare was tested 30 times. The mares (Equus caballus) demonstrated a definite preference for individual stallions throughout the breeding season. This preference was influenced by the estrous state of the mare. During estrus, mares' preferences for stallions were positively correlated with the rate at which a given stallion vocalized. During diestrus, mares spent significantly less time in the proximity of stallions and did not exhibit any preference for individual stallions. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2270 | ||
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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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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0066-4308 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:12359915 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 690 | ||
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| Author | Brazas, M.L.; Shimizu, T. | ||||
| Title |
Significance of visual cues in choice behavior in the female zebra finch (Taeniopygia guttata castanotis) | Type | Journal Article | ||
| Year | 2002 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
| Volume | 5 | Issue | 2 | Pages | 91-95 |
| Keywords | Animals; Auditory Perception; Female; Male; *Sexual Behavior, Animal; Social Behavior; *Songbirds; *Visual Perception; Vocalization, Animal | ||||
| Abstract | Female zebra finches show a preference for male zebra finches over heterospecific males based solely on the auditory cues of males, such as songs. The present study was designed to investigate whether females show a similar preference for male zebra finches based solely on visual cues. Using a Y-maze apparatus, social preference of female zebra finches was studied between male zebra finches and male Bengalese finches in three experiments. In experiment 1, where female zebra finches could see and hear live male zebra finches and male Bengalese finches, the females preferred to associate with the male zebra finches. In experiment 2, using a sound-attenuated experimental apparatus, subjects could see, but not hear, male zebra finches and male Bengalese finches. The subjects did not show a significant preference for associating with zebra finches. In experiment 3, as in experiment 2, females could see live male zebra finches and male Bengalese finches in the sound-attenuated chambers. However, in experiment 3, the subjects also heard prerecorded auditory cues (i.e., songs and calls) of male zebra finches, which were presented simultaneously in both arms of the maze. Although the females could not use the auditory cues to identify the location of the male zebra finches, they preferred to associate with the male zebra finches rather than the male Bengalese finches. These results suggest that visual cues alone were effective in initiating choice behaviors by females and that auditory cues facilitate such visually based choice behaviors. | ||||
| Address | Department of Psychology, University of South Florida, PCD4118G, 4202 East Fowler Avenue, Tampa, FL 33620, USA | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:12150041 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2603 | ||
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| Author | Griffin, A.S. | ||||
| Title |
Social learning in Indian mynahs, Acridotheres tristis: the role of distress calls | Type | Journal Article | ||
| Year | 2008 | Publication | Animal Behaviour. | Abbreviated Journal | Anim. Behav. |
| Volume | 75 | Issue | 1 | Pages | 79-89 |
| Keywords | Acridotheres tristis; distress vocalizations; head saccades; Indian mynah; predator avoidance learning; social learning | ||||
| Abstract | Socially acquired predator avoidance is a phenomenon in which individuals acquire an avoidance response towards an initially neutral stimulus after they have experienced it together with the antipredator signals of social companions. Earlier research has established that alarm calls used for intraspecific communication are effective stimuli for triggering acquisition. However, animals produce a large range of other antipredator responses that might engage antipredator learning. Here, I examine the effects of conspecific distress calls, a signal that is produced by birds when restrained by a predator, and that appears to be directed towards predators, rather than conspecifics, on predator avoidance learning in Indian mynahs, Acridotheres tristis. Distress calls reflect high levels of alarm in the caller and should, therefore, mediate robust learning. Experiment 1 revealed that subjects performed higher rates of head movements in response to a previously unfamiliar avian mount after it had been presented simultaneously with playbacks of conspecific distress vocalizations. Experiment 2 revealed that increased rates of head saccades resembled the spontaneous response evoked by a novel stimulus more closely than it resembled the response evoked by a perched raptor, suggesting that distress calls inculcated a visual exploratory response, rather than an antipredator response. While it is usually thought that the level of acquisition in learners follows a simple relationship with the level of alarm shown by demonstrators, the present results suggest that this relationship may be more complex. Antipredator signals with different functions may have differential effects on learners. | ||||
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| ISSN | 0003-3472 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4696 | ||
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| Author | Mercado, E. 3rd; Herman, L.M.; Pack, A.A. | ||||
| Title |
Song copying by humpback whales: themes and variations | Type | Journal Article | ||
| Year | 2005 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
| Volume | 8 | Issue | 2 | Pages | 93-102 |
| Keywords | Acoustics; Animals; *Imitative Behavior; *Learning; Male; Sound Spectrography; *Vocalization, Animal; Whales/*psychology | ||||
| Abstract | Male humpback whales (Megaptera novaeangliae) produce long, structured sequences of sound underwater, commonly called “songs.” Humpbacks progressively modify their songs over time in ways that suggest that individuals are copying song elements that they hear being used by other singers. Little is known about the factors that determine how whales learn from their auditory experiences. Song learning in birds is better understood and appears to be constrained by stable core attributes such as species-specific sound repertoires and song syntax. To clarify whether similar constraints exist for song learning by humpbacks, we analyzed changes over 14 years in the sounds used by humpback whales singing in Hawaiian waters. We found that although the properties of individual sounds within songs are quite variable over time, the overall distribution of certain acoustic features within the repertoire appears to be stable. In particular, our findings suggest that species-specific constraints on temporal features of song sounds determine song form, whereas spectral variability allows whales to flexibly adapt song elements. | ||||
| Address | Department of Psychology, University at Buffalo, SUNY, Park Hall, Buffalo, NY 14260, USA. emiii@buffalo.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:15490289 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2505 | ||
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| Author | Thornton, A.; McAuliffe, K. | ||||
| Title |
Teaching in wild meerkats | Type | Journal Article | ||
| Year | 2006 | Publication | Science (New York, N.Y.) | Abbreviated Journal | Science |
| Volume | 313 | Issue | 5784 | Pages | 227-229 |
| Keywords | Animals; *Animals, Wild/psychology; Behavior, Animal; *Herpestidae/psychology; *Learning; *Predatory Behavior; South Africa; *Teaching; Vocalization, Animal | ||||
| 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. | ||||
| Address | Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. jant2@cam.ac.uk | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1095-9203 | ISBN | Medium | ||
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| Notes | PMID:16840701 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2834 | ||
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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 | ||
| Area | Expedition | Conference | |||
| Notes | PMID:6736426 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 703 | ||
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| Author | Owren, M.J.; Seyfarth, R.M.; Cheney, D.L. | ||||
| Title |
The acoustic features of vowel-like grunt calls in chacma baboons (Papio cyncephalus ursinus): implications for production processes and functions | Type | Journal Article | ||
| Year | 1997 | Publication | The Journal of the Acoustical Society of America | Abbreviated Journal | J Acoust Soc Am |
| Volume | 101 | Issue | 5 Pt 1 | Pages | 2951-2963 |
| Keywords | Animals; Female; *Papio; Sound Spectrography; *Vocalization, Animal | ||||
| Abstract | The acoustic features of 216 baboon grunts were investigated through analysis of field-recorded calls produced by identified females in known contexts. Analyses addressed two distinct questions: whether the acoustic features of these tonal sounds could be characterized using a source-filter approach and whether the acoustic features of grunts varied by individual caller and social context. Converging evidence indicated that grunts were produced through a combination of periodic laryngeal vibration and a stable vocal tract filter. Their acoustic properties closely resembled those of prototypical human vowel sounds. In general, variation in the acoustic features of the grunts was more strongly related to caller identity than to the social contexts of calling. However, two acoustic parameters, second formant frequency and overall spectral tilt, did vary consistently depending on whether the caller was interacting with an infant or participating in a group move. Nonetheless, in accordance with the general view that identity cueing is a compelling function in animal communication, it can be concluded that much of the observed variability in grunt acoustics is likely to be related to this aspect of signaling. Further, cues related to vocal tract filtering appear particularly likely to play an important role in identifying individual calling animals. | ||||
| Address | Department of Psychology, Reed College, Portland, Oregon 97202, USA. michael.owren@reed.edu | ||||
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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:9165741 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 698 | ||
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| Author | Connor, R.C.; Wells, R.S.; Mann, J.; Read,A.J. | ||||
| Title |
The bottlenose dolphin: Social relationships in a fission-fusion society. | Type | Book Chapter | ||
| Year | 2000 | Publication | Cetacean Societies: Field Studies of Dolphins and Whales. | Abbreviated Journal | |
| Volume | Issue | Pages | 91-126 | ||
| Keywords | cetacean social behavior, male alliance formation, most cetacean species, platanistid river dolphins, cetacean sociality, strategies and social bonds, female cetaceans, many cetologists, most mysticetes, sperm whale calves, passive fishing nets, variant whistles, historical whaling records, cetacean systematics, stable matrilineal groups, peak calving season, suction cup tags, mutualistic groups, cetacean vocalizations, focal animal studies, larger odontocetes, predictive signaling, individual cetaceans, sperm whale clicks, resident killer whales | ||||
| Abstract | Book Description “Part review, part testament to extraordinary dedication, and part call to get involved, Cetacean Societies highlights the achievements of behavioral ecologists inspired by the challenges of cetaceans and committed to the exploration of a new world.”-from the preface by Richard Wrangham Long-lived, slow to reproduce, and often hidden beneath the water's surface, whales and dolphins (cetaceans) have remained elusive subjects for scientific study even though they have fascinated humans for centuries. Until recently, much of what we knew about cetaceans came from commercial sources such as whalers and trainers for dolphin acts. Innovative research methods and persistent efforts, however, have begun to penetrate the depths to reveal tantalizing glimpses of the lives of these mammals in their natural habitats. Cetacean Societies presents the first comprehensive synthesis and review of these new studies. Groups of chapters focus on the history of cetacean behavioral research and methodology; state-of-the-art reviews of information on four of the most-studied species: bottlenose dolphins, killer whales, sperm whales, and humpback whales; and summaries of major topics, including group living, male and female reproductive strategies, communication, and conservation drawn from comparative research on a wide range of species. Written by some of the world's leading cetacean scientists, this landmark volume will benefit not just students of cetology but also researchers in other areas of behavioral and conservation ecology as well as anyone with a serious interest in the world of whales and dolphins. Contributors are Robin Baird, Phillip Clapham, Jenny Christal, Richard Connor, Janet Mann, Andrew Read, Randall Reeves, Amy Samuels, Peter Tyack, Linda Weilgart, Hal Whitehead, Randall S. Wells, and Richard Wrangham. |
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| Publisher | University of Chicago Press | Place of Publication | Chicago | Editor | Mann, J.;Connor, R.C.; Tyack, P.L.;Whitehead, H. |
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| ISSN | ISBN | 978-0226503417 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4427 | ||
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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 | 0021-8790 | ISBN | Medium | ||
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| Notes | PMID:17184365 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2749 | ||
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