| Records |
| Author |
Doligez, B.; Danchin, E.; Clobert, J. |
| Title |
Public information and breeding habitat selection in a wild bird population |
Type |
Journal Article |
| Year |
2002 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
297 |
Issue |
5584 |
Pages |
1168-1170 |
| Keywords |
*Animal Migration; Animals; Animals, Wild/physiology; *Behavior, Animal; Cognition; Cues; *Environment; Female; Male; *Nesting Behavior; Probability; *Reproduction; Songbirds/*physiology; Sweden |
| Abstract |
According to the “public information” hypothesis, some animal species may monitor the current reproductive success of conspecifics to assess local habitat quality and to choose their own subsequent breeding site. To test this hypothesis experimentally, we manipulated two components of public information, the mean number of offspring raised locally (“quantity”) and their condition (“quality”), in the collared flycatcher Ficedula albicollis. Immigration rate decreased with local offspring quantity but did not depend on local offspring quality, suggesting that immigrants are deprived of information regarding local quality. Conversely, emigration rate increased both when local offspring quantity or quality decreased, suggesting that residents can use both components of public information. |
| Address |
Laboratoire d'Ecologie CNRS-UMR 7625, Universite Pierre et Marie Curie, 7 quai Saint Bernard, Batiment A 7eme etage, Case 237, F-75252 Paris Cedex 05, France. blandine.doligez@esh.unibe.ch |
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English |
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Series Issue |
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Edition |
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| ISSN |
1095-9203 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:12183627 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2841 |
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| Author |
Hodgson, Z.G.; Healy, S.D. |
| Title |
Preference for spatial cues in a non-storing songbird species |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
8 |
Issue |
3 |
Pages |
211-214 |
| Keywords |
Animals; Association Learning/*physiology; *Cues; Feeding Behavior/physiology; Female; Male; Memory/*physiology; Sex Factors; Songbirds/*physiology; Space Perception/*physiology; Spatial Behavior/*physiology |
| Abstract |
Male mammals typically outperform their conspecific females on spatial tasks. A sex difference in cues used to solve the task could underlie this performance difference as spatial ability is reliant on appropriate cue use. Although comparative studies of memory in food-storing and non-storing birds have examined species differences in cue preference, few studies have investigated differences in cue use within a species. In this study, we used a one-trial associative food-finding task to test for sex differences in cue use in the great tit, Parus major. Birds were trained to locate a food reward hidden in a well covered by a coloured cloth. To determine whether the colour of the cloth or the location of the well was learned during training, the birds were presented with three wells in the test phase: one in the original location, but covered by a cloth of a novel colour, a second in a new location covered with the original cloth and a third in a new location covered by a differently coloured cloth. Both sexes preferentially visited the well in the training location rather than either alternative. As great tits prefer colour cues over spatial cues in one-trial associative conditioning tasks, cue preference appears to be related to the task type rather than being species dependent. |
| Address |
Ashworth Laboratories, Institute of Evolutionary Biology, University of Edinburgh, Kings Buildings, West Mains Road, Edinburgh, EH9 3JT, UK. s.healy@ed.ac.uk |
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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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Medium |
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Conference |
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| Notes |
PMID:15611879 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2499 |
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| Author |
Mettke-Hofmann, C.; Gwinner, E. |
| Title |
Long-term memory for a life on the move |
Type |
Journal Article |
| Year |
2003 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
| Volume |
100 |
Issue |
10 |
Pages |
5863-5866 |
| Keywords |
Animals; Germany; Israel; Memory/*physiology; Models, Biological; Periodicity; Songbirds/*physiology |
| Abstract |
Evidence is accumulating that cognitive abilities are shaped by the specific ecological conditions to which animals are exposed. Long-distance migratory birds may provide a striking example of this. Field observations have shown that, at least in some species, a substantial proportion of individuals return to the same breeding, wintering, and stopover sites in successive years. This observation suggests that migrants have evolved special cognitive abilities that enable them to accomplish these feats. Here we show that memory of a particular feeding site persisted for at least 12 months in a long-distance migrant, whereas a closely related nonmigrant could remember such a site for only 2 weeks. Thus, it seems that the migratory lifestyle has influenced the learning and memorizing capacities of migratory birds. These results build a bridge between field observations suggesting special memorization feats of migratory birds and previous neuroanatomical results from the same two species indicating an increase in relative hippocampal size from the first to the second year of life in the migrant but not in the nonmigrant. |
| Address |
Max Planck Research Centre for Ornithology, Department of Biological Rhythms and Behaviour, Von-der-Tann-Strasse 7, 82346 Andechs, Germany. mettke-hofmann@erl.ornithol.mpg.de |
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English |
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Edition |
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| ISSN |
0027-8424 |
ISBN |
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Expedition |
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Conference |
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| Notes |
PMID:12719527 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
511 |
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| Author |
Paz-y-Miño C. G.; Bond, A.B.; Kamil, A.C.; Balda, R.P. |
| Title |
Pinyon jays use transitive inference to predict social dominance |
Type |
Journal Article |
| Year |
2004 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
430 |
Issue |
7001 |
Pages |
778-781 |
| Keywords |
Animals; Cognition/*physiology; Group Structure; Male; *Social Dominance; Songbirds/*physiology |
| Abstract |
Living in large, stable social groups is often considered to favour the evolution of enhanced cognitive abilities, such as recognizing group members, tracking their social status and inferring relationships among them. An individual's place in the social order can be learned through direct interactions with others, but conflicts can be time-consuming and even injurious. Because the number of possible pairwise interactions increases rapidly with group size, members of large social groups will benefit if they can make judgments about relationships on the basis of indirect evidence. Transitive reasoning should therefore be particularly important for social individuals, allowing assessment of relationships from observations of interactions among others. Although a variety of studies have suggested that transitive inference may be used in social settings, the phenomenon has not been demonstrated under controlled conditions in animals. Here we show that highly social pinyon jays (Gymnorhinus cyanocephalus) draw sophisticated inferences about their own dominance status relative to that of strangers that they have observed interacting with known individuals. These results directly demonstrate that animals use transitive inference in social settings and imply that such cognitive capabilities are widespread among social species. |
| Address |
Center for Avian Cognition, School of Biological Sciences, University of Nebraska, Lincoln, Nebraska 68588, USA |
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English |
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Edition |
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| ISSN |
1476-4687 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:15306809 |
Approved |
no |
| Call Number |
refbase @ user @; Equine Behaviour @ team @ room B 3.029 |
Serial |
352 |
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| Author |
Peake, T.M.; Terry, A.M.; McGregor, P.K.; Dabelsteen, T. |
| Title |
Male great tits eavesdrop on simulated male-to-male vocal interactions |
Type |
Journal Article |
| Year |
2001 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
268 |
Issue |
1472 |
Pages |
1183-1187 |
| Keywords |
Animals; Male; Songbirds/*physiology; *Vocalization, Animal |
| Abstract |
Animal communication generally occurs in the environment of a network of several potential signallers and receivers. Within a network environment, it is possible to gain relative information about conspecifics by eavesdropping on signalling interactions. We presented male great tits with the opportunity to gain such information by simulating singing interactions using two loudspeakers. Interactions were presented so that relevant information was not available in the absolute singing behaviour of either individual, only in the relative timing of their songs in the interaction as a whole. We then assayed the information extracted by focal males by subsequently introducing one of the 'interactants' (i.e. loudspeakers) into the territory of the focal male. Focal males responded with a reduced song output to males that had just 'lost' an interaction. Focal males did not respond significantly differently to 'winners' as compared with intruders recently involved in an interaction that contained no consistent information. Focal males also responded by switching song types more often when encountering males that had recently been involved in a low-intensity interaction. These results provide the clearest evidence yet that male songbirds extract information from signal interactions between conspecifics in the field. |
| Address |
Department of Animal Behaviour, Zoological Institute, Tagensvej 16, University of Copenhagen, 2200 Copenhagen N, Denmark. tmpeake@zi.ku.dk |
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English |
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Edition |
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| ISSN |
0962-8452 |
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Conference |
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| Notes |
PMID:11375107 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
712 |
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| 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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0962-8452 |
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| Notes |
PMID:12350255 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
501 |
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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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English |
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0021-8790 |
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| Notes |
PMID:17184365 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2749 |
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| Author |
Shettleworth, S.J. |
| Title |
Cognitive science: rank inferred by reason |
Type |
Journal Article |
| Year |
2004 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
430 |
Issue |
7001 |
Pages |
732-733 |
| Keywords |
Animals; Cognition/*physiology; Group Structure; Male; *Social Dominance; Songbirds/*physiology |
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English |
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1476-4687 |
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| Notes |
PMID:15306792 |
Approved |
no |
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refbase @ user @ |
Serial |
365 |
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| Author |
Shettleworth, S.J. |
| Title |
Animal behaviour: planning for breakfast |
Type |
Journal Article |
| Year |
2007 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
445 |
Issue |
7130 |
Pages |
825-826 |
| Keywords |
Animals; Feeding Behavior/*physiology; *Food; Haplorhini/physiology; Memory/physiology; Songbirds/*physiology; Thinking/*physiology |
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English |
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1476-4687 |
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| Notes |
PMID:17314961 |
Approved |
no |
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refbase @ user @ |
Serial |
356 |
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| Author |
Waite, T.A. |
| Title |
Interruptions improve choice performance in gray jays: prolonged information processing versus minimization of costly errors |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue |
4 |
Pages |
209-214 |
| Keywords |
Animals; *Behavior, Animal; *Choice Behavior; Female; Learning; Male; Models, Biological; Motivation; Reinforcement Schedule; Songbirds/*physiology; Time Factors |
| Abstract |
Under the assumption that selection favors minimization of costly errors, erroneous choice may be common when its fitness cost is low. According to an adaptive-choice model, this cost depends on the rate at which an animal encounters the choice: the higher this rate, the smaller the cost of choosing a less valuable option. Errors should thus be more common when interruptions to foraging are shorter. A previous experiment supported this prediction: gray jays, Perisoreus canadensis, were more error prone when subjected to shorter delays to access to food rewards. This pattern, though, is also predicted by an attentional-constraints model. Because the subjects were able to inspect the rewards during delays, their improved performance when subjected to longer delays could have been a byproduct of the experimentally prolonged opportunity for information processing. To evaluate this possibility, a follow-up experiment manipulated both delay to access and whether rewards could be inspected during delays. Depriving jays of the opportunity to inspect rewards (using opaque lids) induced only a small, nonsignificant increase in error rate. This effect was independent of length of delay and so the jays' improved performance when subjected to longer delays was not simply a byproduct of prolonged information processing. More definitively, even when the jays were prevented from inspecting rewards during delays, their performance improved when subjected to longer delays. The findings are thus consistent with the adaptive-choice model. |
| Address |
Department of Evolution, Ecology, and Organismal Biology, Ohio State University, 1735 Neil Avenue, Columbus, OH 43210-1293, USA. waite.1@osu.edu |
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English |
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1435-9448 |
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| Notes |
PMID:12461598 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2592 |
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