| Records |
| Author |
Nevin, J.A.; Shettleworth, S.J. |
| Title |
An analysis of contrast effects in multiple schedules |
Type |
Journal Article |
| Year |
1966 |
Publication  |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
| Volume |
9 |
Issue |
4 |
Pages |
305-315 |
| Keywords |
Animals; Birds; *Conditioning (Psychology); Conditioning, Operant; Discrimination Learning; *Extinction, Psychological; Male; Reaction Time; *Reinforcement (Psychology) |
| Abstract |
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Thesis |
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Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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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 |
0022-5002 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:5961499 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
392 |
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| Author |
Alexander, D.J. |
| Title |
Ecological aspects of influenza A viruses in animals and their relationship to human influenza: a review |
Type |
Journal Article |
| Year |
1982 |
Publication |
Journal of the Royal Society of Medicine |
Abbreviated Journal |
J R Soc Med |
| Volume |
75 |
Issue |
10 |
Pages |
799-811 |
| Keywords |
Animals; *Animals, Domestic; Bird Diseases/transmission; Birds; Disease Outbreaks; Ecology; Horse Diseases/transmission; Horses; Humans; Influenza A virus/genetics/isolation & purification; Influenza, Human/microbiology/*transmission/veterinary; Swine; Swine Diseases/transmission; Zoonoses/transmission |
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Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0141-0768 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:6752410 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2689 |
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| Author |
Zentall, T.R. |
| Title |
Action imitation in birds |
Type |
Journal Article |
| Year |
2004 |
Publication |
Learning & behavior : a Psychonomic Society publication |
Abbreviated Journal |
Learn Behav |
| Volume |
32 |
Issue |
1 |
Pages |
15-23 |
| Keywords |
Adaptation, Psychological; Animals; *Birds; *Imitative Behavior; Imprinting (Psychology); *Learning; Motivation; Psychological Theory; *Social Environment; *Social Facilitation; Vocalization, Animal |
| 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. |
| Address |
Department of Psychology, University of Kentucky, Lexington, Kentucky 40506, USA. zentall@uky.edu |
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Place of Publication |
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| Language |
English |
Summary Language |
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Original Title |
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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 |
1543-4494 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:15161137 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
230 |
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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 |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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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 |
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 |
Summary Language |
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Original Title |
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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 |
1476-4687 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:17314961 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
356 |
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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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Editor |
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English |
Summary Language |
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Original Title |
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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 |
1476-4687 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:15306792 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
365 |
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| Author |
Krebs, J.R.; Clayton, N.S.; Hampton, R.R.; Shettleworth, S.J. |
| Title |
Effects of photoperiod on food-storing and the hippocampus in birds |
Type |
Journal Article |
| Year |
1995 |
Publication |
Neuroreport |
Abbreviated Journal |
Neuroreport |
| Volume |
6 |
Issue |
12 |
Pages |
1701-1704 |
| Keywords |
Animals; Birds; Eating/*physiology; Female; Hippocampus/*physiology; Light; Male; *Photoperiod; Seasons; Telencephalon/physiology; Time Factors |
| Abstract |
Birds that store food have a relatively large hippocampus compared to non-storing species. The hippocampus shows seasonal differences in neurogenesis and volume in black-capped chikadees (Parus atricapillus) taken from the wild at different times of year. We compared hippocampal volumes in black-capped chickadees captured at the same time but differing in food-storing behaviour because of manipulations of photoperiod in the laboratory. Differences in food-storing behaviour were not accompanied by differences in the volume of the hippocampus. Hippocampal volumes also did not differ between two groups of a non-food-storing control species, house sparrows (Passer domesticus), exposed to the same conditions as the chickadees. |
| Address |
Edward Grey Institute of Field Ornithology, Department of Zoology, Oxford, UK |
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Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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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 |
0959-4965 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:8527745 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
378 |
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| Author |
Reboreda, J.C.; Clayton, N.S.; Kacelnik, A. |
| Title |
Species and sex differences in hippocampus size in parasitic and non-parasitic cowbirds |
Type |
Journal Article |
| Year |
1996 |
Publication |
Neuroreport |
Abbreviated Journal |
Neuroreport |
| Volume |
7 |
Issue |
2 |
Pages |
505-508 |
| Keywords |
Animals; Birds/*physiology; Female; Hippocampus/*anatomy & histology; Male; Nesting Behavior/*physiology; Sex Characteristics; Species Specificity; Telencephalon/anatomy & histology |
| Abstract |
To test the hypothesis that selection for spatial abilities which require birds to locate and to return accurately to host nests has produced an enlarged hippocampus in brood parasites, three species of cowbird were compared. In shiny cowbirds, females search for host nests without the assistance of the male; in screaming cowbirds, males and females inspect hosts' nests together; in bay-winged cowbirds, neither sex searches because this species is not a brood parasite. As predicted, the two parasitic species had a relatively larger hippocampus than the non-parasitic species. There were no sex differences in relative hippocampus size in screaming or bay-winged cowbirds, but female shiny cowbirds had a larger hippocampus than the male. |
| Address |
Instituto de Biologia y Medicina Experimental-CONICET, Buenos Aires, Argentina |
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Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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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 |
0959-4965 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:8730816 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4798 |
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| Author |
Kida, H. |
| Title |
[Ecology of influenza viruses in animals and the mechanism of emergence of new pandemic strains] |
Type |
Journal Article |
| Year |
1997 |
Publication |
Nippon Rinsho. Japanese Journal of Clinical Medicine |
Abbreviated Journal |
Nippon Rinsho |
| Volume |
55 |
Issue |
10 |
Pages |
2521-2526 |
| Keywords |
Animals; Bird Diseases/transmission; Birds; Horse Diseases/transmission; Horses; Humans; Influenza, Human/transmission/*veterinary; Swine; Swine Diseases/transmission; Zoonoses |
| Abstract |
Ecological studies on influenza viruses revealed that the hemagglutinin genes are introduced into new pandemic strains from viruses circulating in migratory ducks through domestic ducks and pigs in southern China. Experimental infection of pigs with 38 avian influenza virus strains with H1-H13 hemagglutinins showed that at least one strain of each HA subtype replicated in the upper respiratory tract of pigs. Co-infection of pigs with a swine virus and with an avian virus generated reassortant viruses. The results indicate that avian viruses of any subtype can contribute genes in the generation of reassortants. Virological surveillance revealed that influenza viruses in waterfowl reservoir are perpetuated year-by-year in the frozen lake water while ducks are absent. |
| Address |
Department of Disease Control, Hokkaido University Graduate School of Veterinary Medicine |
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Place of Publication |
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| Language |
Japanese |
Summary Language |
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Original Title |
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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 |
0047-1852 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:9360367 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2654 |
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| Author |
Gauvin, S.; Giraldeau, L.-A. |
| Title |
Nutmeg mannikins ( Lonchura punctulata) reduce their feeding rates in response to simulated competition |
Type |
Journal Article |
| Year |
2004 |
Publication |
Oecologia |
Abbreviated Journal |
Oecologia |
| Volume |
139 |
Issue |
1 |
Pages |
150-156 |
| Keywords |
Animals; *Feeding Behavior; Population Density; *Social Behavior; *Songbirds |
| Abstract |
Group feeding animals experience a number of competitive foraging costs that may result in a lowered feeding rate. It is important to distinguish between reductions in feeding rates that are caused by reduced food availability and physical interactions among foragers from those caused by the mere presence of foraging companions that may be self-imposed in order to obtain some benefit of group membership. Starlings ( Sturnus vulgaris) reduce their feeding rates when in the company of simulated competitors located in an adjacent cage that cannot affect the food availability or interact with the forager. In the present study, we investigate whether the presence of simulated competitors in another species of passerine, nutmeg mannikins ( Lonchura punctulata), can result in self-imposed reductions in feeding rates. When feeding in the company of simulated competitors, mannikins spent more non-foraging time near them, fed more slowly, reduced travel times between patches, reduced their scanning time and pecked more slowly. These results provide evidence that simulated competitors induce a reduction in pecking rate: behavioural interference. These self-imposed responses to competitors may have resulted from attempts to remain close to the non-feeding companions. Such self-imposed reductions in feeding rates may be a widespread yet generally unrecognised foraging cost to group feeding individuals. |
| Address |
Department of Biology, Concordia University, Montreal, Quebec, Canada |
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Thesis |
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Place of Publication |
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English |
Summary Language |
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Original Title |
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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 |
0029-8549 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:14722748 |
Approved |
no |
| Call Number |
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Serial |
2133 |
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