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Author |
Brazas, M.L.; Shimizu, T. |
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Title |
Significance of visual cues in choice behavior in the female zebra finch (Taeniopygia guttata castanotis) |
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Journal Article |
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Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
5 |
Issue |
2 |
Pages  |
91-95 |
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Keywords |
Animals; Auditory Perception; Female; Male; *Sexual Behavior, Animal; Social Behavior; *Songbirds; *Visual Perception; Vocalization, Animal |
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Abstract |
Female zebra finches show a preference for male zebra finches over heterospecific males based solely on the auditory cues of males, such as songs. The present study was designed to investigate whether females show a similar preference for male zebra finches based solely on visual cues. Using a Y-maze apparatus, social preference of female zebra finches was studied between male zebra finches and male Bengalese finches in three experiments. In experiment 1, where female zebra finches could see and hear live male zebra finches and male Bengalese finches, the females preferred to associate with the male zebra finches. In experiment 2, using a sound-attenuated experimental apparatus, subjects could see, but not hear, male zebra finches and male Bengalese finches. The subjects did not show a significant preference for associating with zebra finches. In experiment 3, as in experiment 2, females could see live male zebra finches and male Bengalese finches in the sound-attenuated chambers. However, in experiment 3, the subjects also heard prerecorded auditory cues (i.e., songs and calls) of male zebra finches, which were presented simultaneously in both arms of the maze. Although the females could not use the auditory cues to identify the location of the male zebra finches, they preferred to associate with the male zebra finches rather than the male Bengalese finches. These results suggest that visual cues alone were effective in initiating choice behaviors by females and that auditory cues facilitate such visually based choice behaviors. |
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Department of Psychology, University of South Florida, PCD4118G, 4202 East Fowler Avenue, Tampa, FL 33620, USA |
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1435-9448 |
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PMID:12150041 |
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Equine Behaviour @ team @ |
Serial |
2603 |
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Author |
Scherer, W.F.; Dickerman, R.W. |
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Title |
Ecologic studies of Venezuelan encephalitis virus in southeastern Mexico. 8. Correlations and conclusions |
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Year |
1972 |
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The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
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Volume |
21 |
Issue |
2 |
Pages |
86-89 |
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Keywords |
Animals; Birds; Cattle; Chiroptera; Cricetinae; Culex; Culicidae; *Disease Reservoirs; Ecology; Encephalitis Virus, Venezuelan Equine/immunology; Encephalitis Viruses/*isolation & purification; Encephalomyelitis, Equine/epidemiology/*etiology; Horses; Humans; *Insect Vectors; Mammals; Mexico; Mice; Opossums; Rats; Swine |
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0002-9637 |
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PMID:4399844 |
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Equine Behaviour @ team @ |
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2721 |
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Author |
Parejo, D.; Aviles, J.M. |
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Title |
Do avian brood parasites eavesdrop on heterospecific sexual signals revealing host quality? A review of the evidence |
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Journal Article |
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Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
10 |
Issue |
2 |
Pages |
81-88 |
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Keywords |
Animals; Birds/*parasitology/*physiology; *Host-Parasite Relations; *Nesting Behavior |
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Abstract |
Eavesdropping can be defined as the extraction of information from the interactions between other individuals. It provides a relatively cheap way of gathering relevant information for fitness enhancement. Here, we propose that obligate avian brood parasites, which always lay their eggs in foreign nests of individuals of other species, may eavesdrop on their host sexual signals to locate nests of high quality individuals in which to lay their parasitic eggs. Sexual signal variation can honestly signal parental quality. Thus, by eavesdropping on sexual signals, parasites may select high quality foster parents for their own offspring. Such a use of sexual signals within host populations by brood parasites differs from signal exploitation theory that proposes that parasite only use signals to locate potential host independently from signaller quality. Here, we review the avian literature concerning host choice within a host species by obligate avian brood parasites and find evidence for host selection within individuals of a host species on the basis of cues potentially functioning as sexually selected traits, or at least revealing parental abilities. We have also found support for the existence of benefits linked to host selection by avian brood parasites. Finally, one study reported on the attenuation of a sexual ornament in host populations under strong pressure by brood parasites. Most of these findings have been interpreted as evidence for host selection by avian brood parasites based on the conspicuousness of sexual signals. We suggest, however, that these findings may in fact reveal eavesdropping on host signalling performance by brood parasites which would use the information extracted to choose the better individuals among conspecifics of a given host. This provides a new perspective for the study of host selection in obligate brood parasites, and raises interesting questions for the study of animal cognition that would deserve experimental studies. |
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Department of Functional and Evolutionary Ecology, Estacion Experimental de Zonas Aridas, C.S.I.C. C/General Segura 1, 04001, Almeria, Spain. parejo@eeza.csic.es |
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1435-9448 |
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Notes |
PMID:17180699 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2426 |
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Author |
Chappell, J.; Kacelnik, A. |
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Title |
Tool selectivity in a non-primate, the New Caledonian crow (Corvus moneduloides) |
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Journal Article |
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Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
5 |
Issue |
2 |
Pages |
71-78 |
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Keywords |
Adaptation, Psychological; Animals; *Cognition; Female; *Learning; Male; Perception; *Songbirds |
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Abstract |
We present an experiment showing that New Caledonian crows are able to choose tools of the appropriate size for a novel task, without trial-and-error learning. This species is almost unique amongst all animal species (together with a few primates) in the degree of use and manufacture of polymorphic tools in the wild. However, until now, the flexibility of their tool use has not been tested. Flexibility, including the ability to select an appropriate tool for a task, is considered to be a hallmark of complex cognitive adaptations for tool use. In experiment 1, we tested the ability of two captive birds (one male, one female), to select a stick (from a range of lengths provided) matching the distance to food placed in a horizontal transparent pipe. Both birds chose tools matching the distance to their target significantly more often than would be expected by chance. In experiment 2, we used a similar task, but with the tools placed out of sight of the food pipe, such that the birds had to remember the distance of the food before selecting a tool. The task was completed only by the male, who chose a tool of sufficient length significantly more often than chance but did not show a preference for a matching length. |
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Department of Zoology, University of Oxford, South Parks Road, Oxford OXI 3PS, UK. jackie.chappell@zoo.ox.ac.uk |
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1435-9448 |
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Notes |
PMID:12150038 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2606 |
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Author |
Hauber, M.E.; Sherman, P.W. |
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Title |
Designing and interpreting experimental tests of self-referent phenotype matching |
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Journal Article |
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Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
6 |
Issue |
1 |
Pages |
69-71 |
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Keywords |
Animals; Birds; Body Constitution; Color; Humans; Pedigree; *Perception; Phenotype; *Recognition (Psychology); Research Design; *Self Psychology |
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Department of Neurobiology and Behavior, Cornell University, Ithaca, NY 14853-2702, USA |
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1435-9448 |
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PMID:12658536 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2580 |
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Author |
Hare, J.F.; Sealy, S.G.; Underwood, T.J.; Ellison, K.S.; Stewart, R.L.M. |
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Title |
Evidence of self-referent phenotype matching revisited: airing out the armpit effect |
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Journal Article |
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Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
6 |
Issue |
1 |
Pages |
65-68 |
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Keywords |
Alleles; Animals; Birds; Cricetinae; Dogs; Humans; Invertebrates; Learning; *Odors; Pedigree; Phenotype; *Recognition (Psychology); Self Psychology; *Social Behavior |
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Department of Zoology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada. harejf@cc.umanitoba.ca |
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1435-9448 |
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PMID:12701614 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2576 |
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Author |
Hampton, R.R.; Sherry, D.F.; Shettleworth, S.J.; Khurgel, M.; Ivy, G. |
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Title |
Hippocampal volume and food-storing behavior are related in parids |
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Journal Article |
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Year |
1995 |
Publication |
Brain, behavior and evolution |
Abbreviated Journal |
Brain Behav Evol |
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45 |
Issue |
1 |
Pages |
54-61 |
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Keywords |
Animals; Appetitive Behavior/*physiology; Birds/*anatomy & histology; Brain Mapping; Evolution; Food Preferences/physiology; Hippocampus/*anatomy & histology; Mental Recall/*physiology; Orientation/*physiology; Predatory Behavior/physiology; Social Environment; Species Specificity |
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Abstract |
The size of the hippocampus has been previously shown to reflect species differences and sex differences in reliance on spatial memory to locate ecologically important resources, such as food and mates. Black-capped chickadees (Parus atricapillus) cached more food than did either Mexican chickadees (P. sclateri) or bridled titmice (P. wollweberi) in two tests of food storing, one conducted in an aviary and another in smaller home cages. Black-capped chickadees were also found to have a larger hippocampus, relative to the size of the telencephalon, than the other two species. Differences in the frequency of food storing behavior among the three species have probably produced differences in the use of hippocampus-dependent memory and spatial information processing to recover stored food, resulting in graded selection for size of the hippocampus. |
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Department of Psychology, University of Toronto, Ontario, Canada |
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0006-8977 |
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PMID:7866771 |
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refbase @ user @ |
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379 |
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Author |
Touma, C.; Palme, R. |
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Measuring fecal glucocorticoid metabolites in mammals and birds: the importance of validation |
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Journal Article |
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Year |
2005 |
Publication |
Annals of the New York Academy of Sciences |
Abbreviated Journal |
Ann N Y Acad Sci |
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1046 |
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Pages |
54-74 |
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Animals; Birds/*metabolism; Circadian Rhythm; Feces/*chemistry; Glucocorticoids/*analysis; Mammals/*metabolism; Reproducibility of Results; Seasons; Sex Factors |
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Abstract |
In recent years, the noninvasive monitoring of steroid hormone metabolites in feces of mammals and droppings of birds has become an increasingly popular technique. It offers several advantages and has been applied to a variety of species under various settings. However, using this technique to reliably assess an animal's adrenocortical activity is not that simple and straightforward to apply. Because clear differences regarding the metabolism and excretion of glucocorticoid metabolites (GCMs) exist, a careful validation for each species and sex investigated is obligatory. In this review, general analytical issues regarding sample storage, extraction procedures, and immunoassays are briefly discussed, but the main focus lies on experiments and recommendations addressing the validation of fecal GCM measurements in mammals and birds. The crucial importance of scrutinizing the physiological and biological validity of fecal GCM analyses in a given species is stressed. In particular, the relevance of the technique to detect biologically meaningful alterations in adrenocortical activity must be shown. Furthermore, significant effects of the animals' sex, the time of day, season, and different life history stages are discussed, bringing about the necessity to seriously consider possible sex differences as well as diurnal and seasonal variations. Thus, comprehensive information on the animals' biology and stress physiology should be carefully taken into account. Together with an extensive physiological and biological validation, this will ensure that the measurement of fecal GCMs can be used as a powerful tool to assess adrenocortical activity in diverse investigations on laboratory, companion, farm, zoo, and wild animals. |
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Address |
Max Planck Institute of Psychiatry, Department of Behavioral Neuroendocrinology, Kraepelinstrasse 2-10, D-80804 Munich, Germany. touma@mpipsykl.mpg.de |
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0077-8923 |
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PMID:16055843 |
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Equine Behaviour @ team @ |
Serial |
4073 |
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Author |
Drent, P.J.; van Oers, K.; van Noordwijk, A.J. |
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Title |
Realized heritability of personalities in the great tit (Parus major) |
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Journal Article |
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Year |
2003 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
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Volume |
270 |
Issue |
1510 |
Pages |
45-51 |
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Keywords |
Aggression; Animals; Animals, Domestic; Animals, Wild; *Behavior, Animal; Breeding; Exploratory Behavior; Female; *Heredity; Male; Selection (Genetics); Songbirds/*genetics/*physiology; Variation (Genetics) |
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Behaviour under conditions of mild stress shows consistent patterns in all vertebrates: exploratory behaviour, boldness, aggressiveness covary in the same way. The existence of highly consistent individual variation in these behavioural strategies, also referred to as personalities or coping styles, allows us to measure the behaviour under standardized conditions on birds bred in captivity, link the standardized measurements to the behaviour under natural conditions and measure natural selection in the field. We have bred the great tit (Parus major), a classical model species for the study of behaviour under natural conditions, in captivity. Here, we report a realized heritability of 54 +/- 5% for early exploratory behaviour, based on four generations of bi-directional artificial selection. In addition to this, we measured hand-reared juveniles and their wild-caught parents in the laboratory. The heritability found in the mid-offspring-mid-parent regression was significantly different from zero. We have thus established the presence of considerable amounts of genetic variation for personality types in a wild bird. |
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Netherlands Institute of Ecology, PO Box 40, 6666 ZG Heteren, The Netherlands. drent@cto.nioo.knaw.nl |
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0962-8452 |
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PMID:12590770 |
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Call Number |
refbase @ user @ |
Serial |
591 |
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Author |
Salzen, E.A.; Cornell, J.M. |
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Title |
Self-perception and species recognition in birds |
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Journal Article |
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Year |
1968 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
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Volume |
30 |
Issue |
1 |
Pages |
44-65 |
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Animals; Birds; Color Perception; Discrimination Learning; Generalization, Response; Imprinting (Psychology); *Perception; *Self Concept; Social Isolation; *Species Specificity; Water |
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0005-7959 |
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PMID:5644775 |
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Equine Behaviour @ team @ |
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4154 |
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