| Records |
| 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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Expedition |
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| Notes |
PMID:15611879 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2499 |
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| Author |
Hoogstraal, H.; Mitchell, R.M. |
| Title |
Haemaphysalis (Alloceraea) aponommoides Warburton (Ixodoidea: Ixodidae), description of immature stages, hosts, distribution, and ecology in India, Nepal, Sikkim, and China |
Type |
Journal Article |
| Year |
1971 |
Publication |
The Journal of Parasitology |
Abbreviated Journal |
J Parasitol |
| Volume |
57 |
Issue |
3 |
Pages |
635-645 |
| Keywords |
Altitude; Animals; Artiodactyla; Birds; Buffaloes; Carnivora; Cattle; China; Deer; Dogs; Ecology; Female; Goats; Horses; Humans; India; Insectivora; Larva/anatomy & histology; Male; Mice; Nepal; Rats; Rodentia; Sciuridae; Seasons; Sheep; Tick Infestations/*epidemiology; Ticks/*anatomy & histology/growth & development |
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English |
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Series Title |
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Series Issue |
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Edition |
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| ISSN |
0022-3395 |
ISBN |
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Conference |
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| Notes |
PMID:5090972 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2730 |
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| Author |
Hunt, G.R.; Gray, R.D. |
| Title |
Direct observations of pandanus-tool manufacture and use by a New Caledonian crow (Corvus moneduloides) |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
7 |
Issue |
2 |
Pages |
114-120 |
| Keywords |
Animals; *Behavior, Animal; *Discrimination Learning; *Feeding Behavior; *Functional Laterality; Manufactured Materials; *Plant Leaves; *Songbirds |
| Abstract |
New Caledonian crows are reported to have impressive pandanus-tool manufacture abilities. These claims are based on an extensive artefact record. However, inferring behavioural and cognitive abilities without direct observation of tool manufacture is problematic. Here we report (and document on video) direct observations of a crow making and using stepped pandanus tools at Pic Ningua. We observed (1) a bias for making tools on left edges consistent with that previously found at the site, (2) faithful manufacture of a stepped design with high overall congruence in the shapes of tools, (3) the use of convergent rips to first form the tapered end working away from the trunk then the wide end working towards the trunk, (4) appropriate functional use of stepped tools by use of the leaf-edge barbs to hook food from holes, and (5) consistent holding of tools on the left side of its head when using them. Our observations verify most of the claims based on the artefact record, but the crow's exact manufacture technique was slightly different to that inferred previously. |
| Address |
Department of Psychology, University of Auckland, 92019 Auckland, New Zealand. grhunt10@hotmail.com |
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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:15069611 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2529 |
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| Author |
Jones, J.E.; Antoniadis, E.; Shettleworth, S.J.; Kamil, A.C. |
| Title |
A comparative study of geometric rule learning by nutcrackers (Nucifraga columbiana), pigeons (Columba livia), and jackdaws (Corvus monedula) |
Type |
Journal Article |
| Year |
2002 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
116 |
Issue |
4 |
Pages |
350-356 |
| Keywords |
Animals; Behavior, Animal/physiology; Birds; Feeding Behavior/physiology; Learning/*physiology; *Mathematics; Random Allocation; Spatial Behavior/*physiology |
| Abstract |
Three avian species, a seed-caching corvid (Clark's nutcrackers; Nucifraga columbiana), a non-seed-caching corvid (jackdaws; Corvus monedula), and a non-seed-caching columbid (pigeons; Columba livia), were tested for ability to learn to find a goal halfway between 2 landmarks when distance between the landmarks varied during training. All 3 species learned, but jackdaws took much longer than either pigeons or nutcrackers. The nutcrackers searched more accurately than either pigeons or jackdaws. Both nutcrackers and pigeons showed good transfer to novel landmark arrays in which interlandmark distances were novel, but inconclusive results were obtained from jackdaws. Species differences in this spatial task appear quantitative rather than qualitative and are associated with differences in natural history rather than phylogeny. |
| Address |
School of Biological Sciences, University of Nebraska-Lincoln, 68588-0118, USA |
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English |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
0735-7036 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:12539930 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
369 |
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| Author |
Katz, M.; Lachlan, R.F. |
| Title |
Social learning of food types in zebra finches (Taenopygia guttata) is directed by demonstrator sex and feeding activity |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
6 |
Issue |
1 |
Pages |
11-16 |
| Keywords |
Animals; Color; Diet; *Feeding Behavior; Female; *Learning; Male; Sex Factors; *Social Behavior; *Songbirds |
| Abstract |
In this study we examined how social learning of feeding preferences by zebra finches was affected by the identity of different demonstrators. We presented adult zebra finches with two demonstrators, one male and one female, that exhibited different food choices, and we recorded their subsequent preference when given a choice between the two food types. Previously it was found that young zebra finches' patterns of social learning are affected by the sex of the individual demonstrating a feeding behaviour. This result could be explained by the lack of exposure these animals had to the opposite sex, or by their mating status. Therefore, we investigated the social learning preferences of adult mated zebra finches. We found the same pattern of directed social learning of a different type of feeding behaviour (food colour): female zebra finches preferred the colour of food eaten by male demonstrators, whereas male zebra finches showed little evidence of any preference for the colour of food eaten by female demonstrators. Furthermore, we found that female observers' preferences were biased by demonstrators' relative feeding activity: the female demonstrator was only ever preferred if it ate less than its male counterpart. |
| Address |
Institute of Evolutionary and Ecological Science, University of Leiden, Kaiserstraat 63, 2311GP, Leiden, The Netherlands |
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English |
Summary Language |
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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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Conference |
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| Notes |
PMID:12658531 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2585 |
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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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| Language |
Japanese |
Summary Language |
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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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Conference |
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| Notes |
PMID:9360367 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2654 |
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| Author |
Komar, N. |
| Title |
West Nile virus: epidemiology and ecology in North America |
Type |
Journal Article |
| Year |
2003 |
Publication |
Advances in Virus Research |
Abbreviated Journal |
Adv Virus Res |
| Volume |
61 |
Issue |
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Pages |
185-234 |
| Keywords |
Animals; Bird Diseases/virology; Birds/virology; Culex/virology; Disease Reservoirs; Ecosystem; Epidemiology, Molecular; Horse Diseases/virology; Horses/virology; Humans; Insect Vectors; North America/epidemiology; Risk Factors; West Nile Fever/*epidemiology/transmission/veterinary; West Nile virus/genetics |
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| Address |
Centers for Disease Control and Prevention, Division of Vector-Borne Infectious Diseases, Fort Collins, Colorado 80522, USA |
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English |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
0065-3527 |
ISBN |
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Conference |
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| Notes |
PMID:14714433 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2638 |
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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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English |
Summary Language |
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Edition |
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| ISSN |
0959-4965 |
ISBN |
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| Notes |
PMID:8527745 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
378 |
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| Author |
Lefebvre, L.; Reader, S.M.; Sol, D. |
| Title |
Brains, Innovations and Evolution in Birds and Primates |
Type |
Journal Article |
| Year |
2004 |
Publication |
Brain, Behavior and Evolution |
Abbreviated Journal |
Brain. Behav. Evol. |
| Volume |
63 |
Issue |
4 |
Pages |
233-246 |
| Keywords |
Innovation W Brain evolution W Hyperstriatum ventrale W Neostriatum W Isocortex W Birds W Primates W Tool use W Invasion biology |
| Abstract |
Abstract
Several comparative research programs have focusedon the cognitive, life history and ecological traits thataccount for variation in brain size. We review one ofthese programs, a program that uses the reported frequencyof behavioral innovation as an operational measureof cognition. In both birds and primates, innovationrate is positively correlated with the relative size of associationareas in the brain, the hyperstriatum ventrale andneostriatum in birds and the isocortex and striatum inprimates. Innovation rate is also positively correlatedwith the taxonomic distribution of tool use, as well asinterspecific differences in learning. Some features ofcognition have thus evolved in a remarkably similar wayin primates and at least six phyletically-independent avianlineages. In birds, innovation rate is associated withthe ability of species to deal with seasonal changes in theenvironment and to establish themselves in new regions,and it also appears to be related to the rate atwhich lineages diversify. Innovation rate provides a usefultool to quantify inter-taxon differences in cognitionand to test classic hypotheses regarding the evolution ofthe brain. |
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0006-8977 |
ISBN |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4738 |
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| Author |
Macphail, E.M.; Boldhuis, J.J |
| Title |
The evolution of intelligence: adaptive specializations versusgeneral process |
Type |
Journal Article |
| Year |
2001 |
Publication |
Biological Reviews |
Abbreviated Journal |
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| Volume |
76 |
Issue |
3 |
Pages |
341-364 |
| Keywords |
biological constraints, corvids, ecology, food-storing birds, hippocampal size, parids, spatial learning, spatial memory, spatial module. |
| Abstract |
Darwin argued that between-species differences in intelligence were differences of degree, not of kind. The contemporary ecological approach to animal cognition argues that animals have evolved species-specific and problem-specific processes to solve problems associated with their particular ecological niches: thus different species use different processes, and within a species, different processes are used to tackle problems involving different inputs. This approach contrasts both with Darwin's view and with the general process view, according to which the same central processes of learning and memory are used across an extensive range of problems involving very different inputs. We review evidence relevant to the claim that the learning and memory performance of non-human animals varies according to the nature of the stimuli involved. We first discuss the resource distribution hypothesis, olfactory learning-set formation, and the 'biological constraints' literature, but find no convincing support from these topics for the ecological account of cognition. We then discuss the claim that the performance of birds in spatial tasks of learning and memory is superior in species that depend heavily upon stored food compared to species that either show less dependence upon stored food or do not store food. If it could be shown that storing species enjoy a superiority specifically in spatial (and not non-spatial) tasks, this would argue that spatial tasks are indeed solved using different processes from those used in non-spatial tasks. Our review of this literature does not find a consistent superiority of storing over non-storing birds in spatial tasks, and, in particular, no evidence of enhanced superiority of storing species when the task demands are increased, by, for example, increasing the number of items to be recalled or the duration of the retention period. We discuss also the observation that the hippocampus of storing birds is larger than that of non-storing birds, and find evidence contrary to the view that hippocampal enlargement is associated with enhanced spatial memory; we are, however, unable to suggest a convincing alternative explanation for hippocampal enlargement. The failure to find solid support for the ecological view supports the view that there are no qualitative differences in cognition between animal species in the processes of learning and memory. We also argue that our review supports our contention that speculation about the phylogenetic development and function of behavioural processes does not provide a solid basis for gaining insight into the nature of those processes. We end by confessing to a belief in one major qualitative difference in cognition in animals: we believe that humans alone are capable of acquiring language, and that it is this capacity that divides our intelligence so sharply from non-human intelligence. |
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Equine Behaviour @ team @ |
Serial |
4797 |
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