Records |
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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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ISSN |
1435-9448 |
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Notes |
PMID:12357285 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2600 |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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ISSN |
0735-7036 |
ISBN |
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Notes |
PMID:11824896 |
Approved |
yes |
Call Number |
Equine Behaviour @ team @ |
Serial |
4970 |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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ISSN |
1435-9448 |
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Notes |
PMID:15045620 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2537 |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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English |
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Edition |
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ISSN |
1095-9203 |
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Notes |
PMID:16840701 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2834 |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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Edition |
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ISSN |
0012-1630 |
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Notes |
PMID:456751 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4172 |
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Author |
Arnold, K.; Zuberbuhler, K. |
Title |
Language evolution: semantic combinations in primate calls |
Type |
Journal Article |
Year |
2006 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
441 |
Issue |
7091 |
Pages |
303 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
Animal Migration; Animals; Eagles/physiology; *Evolution; Female; Haplorhini/*physiology; Male; Predatory Behavior; *Semantics; *Vocalization, Animal |
Abstract |
Syntax sets human language apart from other natural communication systems, although its evolutionary origins are obscure. Here we show that free-ranging putty-nosed monkeys combine two vocalizations into different call sequences that are linked to specific external events, such as the presence of a predator and the imminent movement of the group. Our findings indicate that non-human primates can combine calls into higher-order sequences that have a particular meaning. |
Address |
School of Psychology, University of St Andrews, St Andrews KY16 9JP, UK |
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English |
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Edition |
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ISSN |
1476-4687 |
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Conference |
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Notes |
PMID:16710411 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
354 |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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0021-8790 |
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Notes |
PMID:17184365 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2749 |
Permanent link to this record |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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English |
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ISSN |
0015-5713 |
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Notes |
PMID:4215710 |
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no |
Call Number |
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Serial |
2051 |
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Author |
de Waal, F.B.; Johanowicz, D.L. |
Title |
Modification of reconciliation behavior through social experience: an experiment with two macaque species |
Type |
Journal Article |
Year |
1993 |
Publication |
Child development |
Abbreviated Journal |
Child Dev |
Volume |
64 |
Issue |
3 |
Pages |
897-908 |
Keywords ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
Aggression; Animals; *Behavior, Animal; Female; Grooming; *Macaca; *Macaca mulatta; Male; Play and Playthings; *Socialization; Vocalization, Animal |
Abstract |
Reconciliation, defined as a friendly reunion between former opponents shortly after an aggressive encounter, is common in the stumptail macaque (Macaca arctoides) but rare in the rhesus macaque (M. mulatta). Juveniles of the two species were cohoused for 5 months, after which they were observed with conspecifics only. Control rhesus monkeys, matched in age and sex to the experimental subjects, went through the same procedure without exposure to the other species. A threefold increase in the proportion of reconciled fights was measured in the rhesus subjects. The difference emerged gradually during cohousing with the tutor species and was sustained following removal of this species. Other behavior, such as grooming and aggression, decreased over time. It is suggested that the social attitude of the subjects was affected through contact with a species characterized by a more relaxed dominance style. |
Address |
Wisconsin Regional Primate Research Center, University of Wisconsin-Madison |
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English |
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ISSN |
0009-3920 |
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Notes |
PMID:8339702 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
209 |
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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 ![sorted by Keywords field, descending order (down)](img/sort_desc.gif) |
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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Edition |
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ISSN |
0044-3573 |
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Notes |
PMID:4674022 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
681 |
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