| Records |
| Author |
Peake, T.M.; Terry, A.M.R.; McGregor, P.K.; Dabelsteen, T. |
| Title |
Do great tits assess rivals by combining direct experience with information gathered by eavesdropping? |
Type |
Journal Article |
| Year |
2002 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
269 |
Issue  |
1503 |
Pages |
1925-1929 |
| Keywords |
Aggression; *Animal Communication; Animals; Male; Songbirds/*physiology; Territoriality; *Vocalization, Animal |
| Abstract |
Animals frequently use signals that travel further than the spacing between individuals. For every intended recipient of a given signal there are likely to be many other individuals that receive information. Eavesdropping on signalling interactions between other individuals provides a relatively cost-free method of assessing future opponents or mates. Male great tits (Parus major) extract relative information from such interactions between individuals unknown to them. Here, we show that male great tits can take information gathering a stage further and obtain more information about a previously unencountered intruder, by the hitherto unknown capability of combining information gathered by eavesdropping with that derived from their own direct interaction with an individual. Prior experience with an intruder (A) was achieved by subjecting a focal male to different levels of intrusion simulated using interactive playback. This intruder (A) then took part in a simulated interaction with an unknown male (B) outside the territorial boundary of the focal males. In response to subsequent intrusion by the second male (B), focal males showed low song output in response to males that had lost to a male that the subject was able to beat. Males of known high quality, or those about which information was ambiguous, elicited a high level of song output by focal males. We discuss the implications of this finding for the evolution of communication and social behaviour. |
| Address |
Department of Animal Behaviour, Zoological Institute, Copenhagen University, Tagensvej 16, DK 2200 Copenhagen N, Denmark. tmpeake@zi.ku.uk |
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English |
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| ISSN |
0962-8452 |
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| Notes |
PMID:12350255 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
501 |
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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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English |
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Edition |
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| ISSN |
0044-3573 |
ISBN |
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| Notes |
PMID:4674022 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
681 |
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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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English |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:15490289 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2505 |
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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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English |
Summary Language |
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Edition |
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| ISSN |
0012-1630 |
ISBN |
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Conference |
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| Notes |
PMID:456751 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4172 |
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| Author |
Fischer, J.; Hammerschmidt, K.; Cheney, D.L.; Seyfarth, R.M. |
| Title |
Acoustic features of male baboon loud calls: influences of context, age, and individuality |
Type |
Journal Article |
| Year |
2002 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
| Volume |
111 |
Issue |
3 |
Pages |
1465-1474 |
| Keywords |
Age Factors; Animal Communication; Animals; Individuality; Male; *Papio; *Social Environment; *Sound Spectrography; *Vocalization, Animal |
| Abstract |
The acoustic structure of loud calls (“wahoos”) recorded from free-ranging male baboons (Papio cynocephalus ursinus) in the Moremi Game Reserve, Botswana, was examined for differences between and within contexts, using calls given in response to predators (alarm wahoos), during male contests (contest wahoos), and when a male had become separated from the group (contact wahoos). Calls were recorded from adolescent, subadult, and adult males. In addition, male alarm calls were compared with those recorded from females. Despite their superficial acoustic similarity, the analysis revealed a number of significant differences between alarm, contest, and contact wahoos. Contest wahoos are given at a much higher rate, exhibit lower frequency characteristics, have a longer “hoo” duration, and a relatively louder “hoo” portion than alarm wahoos. Contact wahoos are acoustically similar to contest wahoos, but are given at a much lower rate. Both alarm and contest wahoos also exhibit significant differences among individuals. Some of the acoustic features that vary in relation to age and sex presumably reflect differences in body size, whereas others are possibly related to male stamina and endurance. The finding that calls serving markedly different functions constitute variants of the same general call type suggests that the vocal production in nonhuman primates is evolutionarily constrained. |
| Address |
Department of Psychology, University of Pennsylvania, Philadelphia 19104, USA. fischer@eva.mpg.de |
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English |
Summary Language |
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Edition |
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| ISSN |
0001-4966 |
ISBN |
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Conference |
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| Notes |
PMID:11931324 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
691 |
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| Author |
Izumi, A.; Kojima, S. |
| Title |
Matching vocalizations to vocalizing faces in a chimpanzee (Pan troglodytes) |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
7 |
Issue |
3 |
Pages |
179-184 |
| Keywords |
Acoustic Stimulation; *Animal Communication; Animals; *Discrimination Learning; *Facial Expression; Female; Individuality; Pan troglodytes/*psychology; Photic Stimulation; *Recognition (Psychology); *Vocalization, Animal |
| Abstract |
Auditory-visual processing of species-specific vocalizations was investigated in a female chimpanzee named Pan. The basic task was auditory-visual matching-to-sample, where Pan was required to choose the vocalizer from two test movies in response to a chimpanzee's vocalization. In experiment 1, movies of vocalizing and silent faces were paired as the test movies. The results revealed that Pan recognized the status of other chimpanzees whether they vocalized or not. In experiment 2, two different types of vocalizing faces of an identical individual were prepared as the test movies. Pan recognized the correspondence between vocalization types and faces. These results suggested that chimpanzees possess crossmodal representations of their vocalizations, as do humans. Together with the ability of vocal individual recognition, this ability might reflect chimpanzees' profound understanding of the status of other individuals. |
| Address |
Primate Research Institute, Kyoto University, Kanrin, Inuyama, 484-8506, Aichi, Japan. izumi@pri.kyoto-u.ac.jp |
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English |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:15015035 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2541 |
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| Author |
Parr, L.A. |
| Title |
Perceptual biases for multimodal cues in chimpanzee (Pan troglodytes) affect recognition |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
7 |
Issue |
3 |
Pages |
171-178 |
| Keywords |
Acoustic Stimulation; *Animal Communication; Animals; Auditory Perception/physiology; Cues; Discrimination Learning/*physiology; Facial Expression; Female; Male; Pan troglodytes/*psychology; Perceptual Masking/*physiology; Photic Stimulation; Recognition (Psychology)/*physiology; Visual Perception/physiology; *Vocalization, Animal |
| Abstract |
The ability of organisms to discriminate social signals, such as affective displays, using different sensory modalities is important for social communication. However, a major problem for understanding the evolution and integration of multimodal signals is determining how humans and animals attend to different sensory modalities, and these different modalities contribute to the perception and categorization of social signals. Using a matching-to-sample procedure, chimpanzees discriminated videos of conspecifics' facial expressions that contained only auditory or only visual cues by selecting one of two facial expression photographs that matched the expression category represented by the sample. Other videos were edited to contain incongruent sensory cues, i.e., visual features of one expression but auditory features of another. In these cases, subjects were free to select the expression that matched either the auditory or visual modality, whichever was more salient for that expression type. Results showed that chimpanzees were able to discriminate facial expressions using only auditory or visual cues, and when these modalities were mixed. However, in these latter trials, depending on the expression category, clear preferences for either the visual or auditory modality emerged. Pant-hoots and play faces were discriminated preferentially using the auditory modality, while screams were discriminated preferentially using the visual modality. Therefore, depending on the type of expressive display, the auditory and visual modalities were differentially salient in ways that appear consistent with the ethological importance of that display's social function. |
| Address |
Division of Psychobiology, Yerkes National Primate Research Center, Emory University, 954 Gatewood Road, GA 30329, Atlanta, USA. parr@rmy.emory.edu |
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English |
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Series Issue |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:14997361 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2544 |
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| Author |
Hauber, M.E.; Pearson, H.E.; Reh, A.; Merges, A. |
| Title |
Discrimination between host songs by brood parasitic brown-headed cowbirds ( Molothrus ater) |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue |
3 |
Pages |
129-137 |
| Keywords |
Animals; *Auditory Perception; *Discrimination Learning; Female; Male; Sexual Behavior; *Songbirds; *Vocalization, Animal |
| Abstract |
Songbirds can learn both to produce and to discriminate between different classes of acoustic stimuli. Varying levels of auditory discrimination may improve the fitness of individuals in certain ecological and social contexts and, thus, selection is expected to mold the cognitive abilities of different species according to the potential benefits of acoustic processing. Although fine-scale auditory discrimination of conspecific songs and calls has been frequently reported for brood parasitic brown-headed cowbirds ( Molothrus ater), it remains unclear why and how they perceive differently the songs of their many host species. Using habituation-dishabituation paradigms and measuring behavioral and physiological (heart-rate) responses, we found that captive female cowbirds consistently discriminated between songs of two host species, the song sparrow ( Melospiza melodia) and the red-winged blackbird ( Agelaius phoeniceus). Playback experiments with stimuli composed of con-specific followed by heterospecific vocalizations in the field also demonstrated discrimination between these heterospecific songs even though cowbirds were not attracted to playbacks of either host species' songs alone. Our results do not directly support a nest-searching function of heterospecific song discrimination by cowbirds and are most consistent with a function of the parasites' avoidance of attacks by their aggressive hosts. These data demonstrate discrimination between heterospecific vocalizations by brown-headed cowbirds and add a novel dimension to the already expansive auditory perceptual abilities of brood parasitic species and other songbirds. |
| Address |
Field Neurobiology and Behavior, Cornell, University, Ithaca, NY 14853, USA. hauberm@socrates.berkeley.edu |
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English |
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Edition |
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| ISSN |
1435-9448 |
ISBN |
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Conference |
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| Notes |
PMID:12357285 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2600 |
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| Author |
Pepperberg, I.M. |
| Title |
“Insightful” string-pulling in Grey parrots (Psittacus erithacus) is affected by vocal competence |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
7 |
Issue |
4 |
Pages |
263-266 |
| Keywords |
Animals; *Association Learning; *Discrimination Learning; Humans; Male; *Parrots; *Problem Solving; Verbal Behavior; Verbal Learning; *Vocalization, Animal |
| Abstract |
Four Grey parrots (Psittacus erithacus) were tested on their ability to obtain an item suspended from a string such that mutiple, repeated, coordinated beak-foot actions were required for success (e.g., Heinrich 1995). Those birds with little training in referential English requests (e.g. “I want X”) succeeded, whereas birds who could request the suspended item failed to obtain the object but engaged in repeated requesting. |
| Address |
MIT School of Architecture and Planning, Bldg 7-231, 77 Massachusetts Ave, MA 02139, Cambridge, USA. impepper@media.mit.edu |
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English |
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1435-9448 |
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Conference |
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| Notes |
PMID:15045620 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2537 |
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| Author |
Hostetter, A.B.; Cantero, M.; Hopkins, W.D. |
| Title |
Differential use of vocal and gestural communication by chimpanzees (Pan troglodytes) in response to the attentional status of a human (Homo sapiens) |
Type |
Journal Article |
| Year |
2001 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
| Volume |
115 |
Issue |
4 |
Pages |
337-343 |
| Keywords |
Animals; *Attention; *Communication Methods, Total; Female; *Gestures; Humans; Male; Motivation; Pan troglodytes/*psychology; Social Environment; Species Specificity; *Vocalization, Animal |
| Abstract |
This study examined the communicative behavior of 49 captive chimpanzees (Pan troglodytes), particularly their use of vocalizations, manual gestures, and other auditory- or tactile-based behaviors as a means of gaining an inattentive audience's attention. A human (Homo sapiens) experimenter held a banana while oriented either toward or away from the chimpanzee. The chimpanzees' behavior was recorded for 60 s. Chimpanzees emitted vocalizations faster and were more likely to produce vocalizations as their 1st communicative behavior when a human was oriented away from them. Chimpanzees used manual gestures more frequently and faster when the human was oriented toward them. These results replicate the findings of earlier studies on chimpanzee gestural communication and provide new information about the intentional and functional use of their vocalizations. |
| Address |
Department of Psychology, Berry College, USA |
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English |
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Edition |
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0735-7036 |
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| Notes |
PMID:11824896 |
Approved |
yes |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4970 |
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