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Meehan, C.L.; Mench, J.A. | ||||
| Title | The challenge of challenge: Can problem solving opportunities enhance animal welfare? | Type | Journal Article | ||
| Year | 2007 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 102 | Issue | 3-4 | Pages | 246-261 |
| Keywords | Cognition; Environmental enrichment; Challenge; Eustress; Problem solving; Intrinsic motivation | ||||
| Abstract | Cognitive mechanisms are an important part of the organization of the behavior systems of animals. In the wild, animals regularly face problems that they must overcome in order to survive and thrive. Solving such problems often requires animals to process, store, retrieve, and act upon information from the environment--in other words, to use their cognitive skills. For example, animals may have to use navigational, tool-making or cooperative social skills in order to procure their food. However, many enrichment programs for captive animals do not include the integration of these types of cognitive challenges. Thus, foraging enrichments typically are designed to facilitate the physical expression of feeding behaviors such as food-searching and food consumption, but not to facilitate complex problem solving behaviors related to food acquisition. Challenging animals by presenting them with problems is almost certainly a source of frustration and stress. However, we suggest here that this is an important, and even necessary, feature of an enrichment program, as long as animals also possess the skills and resources to effectively solve the problems with which they are presented. We discuss this with reference to theories about the emotional consequences of coping with challenge, the association between lack of challenge and the development of abnormal behavior, and the benefits of stress (arousal) in facilitating learning and memory of relevant skills. Much remains to be done to provide empirical support for these theories. However, they do point the way to a practical approach to improving animal welfare--to design enrichments to facilitate the cognitive mechanisms which underlie the performance of complex behaviors that cannot be performed due to the restrictions inherent to the captive environment. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2890 | ||
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| Author |
McGreevy, P.D.; McLean, A.N. | ||||
| Title | Roles of learning theory and ethology in equitation | Type | Journal Article | ||
| Year | 2007 | Publication | Journal of Veterinary Behavior: Clinical Applications and Research | Abbreviated Journal | |
| Volume | 2 | Issue | 4 | Pages | 108-118 |
| Keywords | ethological training; equine ethnology; equitation; horse behavior; learning theory | ||||
| Abstract | By definition, ethology is primarily the scientific study of animal behavior, especially as it occurs in a natural environment; applied ethology being the study of animal behavior in the human domain. The terms equine ethology and ethological training are becoming commonplace in the equestrian domain, yet they seem to be used with a conspicuous lack of clarity and with no mention of learning theory. Most of what we do to train horses runs counter to their innate preferences. This article summarizes the ethological challenges encountered by working horses and considers the merits and limitations of ethological solutions. It also questions the use of terms such as “alpha” and “leader” and examines aspects of learning theory, equine cognition, and ethology as applied to horse training and clinical behavior modification. We propose 7 training principles that optimally account for the horse's ethological and learning abilities and maintain maximal responsivity in the trained horse. These principles can be summarized as: (1) use learning theory appropriately; (2) train easy-to-discriminate signals; (3) train and subsequently elicit responses singularly; (4) train only one response per signal; (5) train all responses to be initiated and subsequently completed within a consistent structure; (6) train persistence of current operantly conditioned responses; and (7) avoid and disassociate flight responses. Adherence to these principles and incorporating them into all horse training methodologies should accelerate training success, reduce behavioral wastage of horses, and improve safety for both humans and horses. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4511 | ||
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| Author |
McElreath, R.; Luttbeg, B.; Fogarty, S.P.; Brodin, T.; Sih, A. | ||||
| Title | Evolution of animal personalities | Type | Journal Article | ||
| Year | 2007 | Publication | Abbreviated Journal | Nature | |
| Volume | 450 | Issue | 7167 | Pages | E5-E5 |
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| Publisher | Nature Publishing Group | Place of Publication | Editor | ||
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| ISSN | 0028-0836 | ISBN | Medium | ||
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| Notes | 10.1038/nature06326 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4295 | ||
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| Author |
McCall, C.A. | ||||
| Title | Making equine learning research applicable to training procedures | Type | Journal Article | ||
| Year | 2007 | Publication | Behavioural Processes | Abbreviated Journal | Behav. Process. |
| Volume | 76 | Issue | 1 | Pages | 27-28 |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 623 | ||
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| Author |
McBride, S.D.; Wolf, B. | ||||
| Title | Using multivariate statistical analysis to measure ovine temperament; stability of factor construction over time and between groups of animals | Type | Journal Article | ||
| Year | 2007 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 103 | Issue | 1-2 | Pages | 45-58 |
| Keywords | Arena test; Factor analysis; Temperament; Sheep | ||||
| Abstract | The ovine arena test in conjunction with multivariate statistical analysis (factor analysis) may be a means of measuring ovine temperament for practical purposes. Stability of factor construction over time and between groups of animals is considered to demonstrate trait consistency and is, therefore, one of the first steps in validating a temperament/personality test from this perspective. The aim of this study, therefore, was to assess the stability of factor construction, as a measure of trait consistency, using arena test data from three groups of animals with one group (Group 1) tested repeatedly over three rounds (twice at 8 months and once at 22 months of age). Group 1 consisted of 193 mule (Bluefaced Leicester Sire x Scottish Blackface/Welsh Speckled Face dam), ewe lambs (8 months old). Groups 2 and 3 consisted of 189 and 185 mules, respectively (14 months old). All animals were tested for 6 min in a 13 m x 3 m arena. Factor analysis (varimax rotation) was performed twice on the behavioural data (latency to bleat, total number of vocalisations, distance travelled, time spent in different areas of the arena and number of times crossing in and out of pertinent areas), initially using all data recorded on a per minute basis (`Per Minute') for all 6 min of the test (10 factors extracted) and then using total values (`Total'), the summation of the 6 min for each behaviour measured (4 factors extracted). Stability of factor loadings between rounds and between groups was tested using Kendall's coefficient of concordance. For the `Per Minute' data, 5 out of the 10 factors showed significant (p < 0.05) concordance between rounds whilst 9 out of 10 factors showed significant (p < 0.05) concordance between groups. All four factors generated from the `Total' data demonstrated significant (p < 0.05) concordance between rounds and between groups. The four factors generated from the `Total' data were considered to be of potential merit for future studies. These factors were named--`conspecific motivation-fear', `conspecific motivation-distress', `activity' and `low conspecific motivation'. | ||||
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 295 | ||
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May, A. | ||||
| Title | Evaluierung von Stressparametern beim Pferd im Zusammenhang mit dem Klinikaufenthalt [Evaluation of stress parameters in the hospitalized horse] | Type | Manuscript | ||
| Year | 2007 | Publication | Abbreviated Journal | ||
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| Abstract | Ein Klinikaufenthalt stellt für Pferde eine Stresssituation dar und viele Pferde erkranken während eines Klinikaufenthalts an Stress-assoziierten Erkrankungen. Eine der häufigsten ist die so genannte Colitis X, eine oft tödlich verlaufende Durchfallerkrankung. Da es im Verlauf dieser Erkrankungen zu einem Verlust der Tiere kommen kann, hat ihre Vermeidung oberste Priorität. Ziel der vorliegenden Untersuchung war es, herauszufinden, inwieweit bei den Pferden der klinisch erkennbare Stress mit Veränderungen messbarer Blutparameter (Hämatokrit, Gesamteiweiß, Leukozyten, Glukose, Laktat, Kortisol) einhergeht und dabei einen Parameter zu finden, mit dem Stress beim Klinikpatienten Pferd verlässlich und möglichst einfach evaluiert werden kann. Zudem wurden in dieser Studie Freie Sauerstoffradikale („oxidativer Stress“) und IgA im Kot bestimmt, um diese Parameter auf ihre klinische Verwendbarkeit zu prüfen und zu untersuchen, inwieweit Stress mit dem lokalen Immunglobulingehalt interferiert. Einigen ausgewählten Pferden wurde zudem der Paramunitätsinducer Zylexis® der Firma Pfizer appliziert, um dessen Wirkung auf die untersuchten Parameter festzustellen. Es wurden 110 Patienten der Klinik für Pferde untersucht, die in dem Zeitraum der Studie zufällig hospitalisiert wurden. Die Pferde wurden in zwei Gruppen eingeteilt. Eine Gruppe wurde in der Klinik operiert, die zweite nur stationär behandelt. Des Weiteren wurde eine Kontrollgruppe in ihrem Heimatstall zum Vergleich miteinbezogen, die in den letzten sechs Wochen vor der Studie nicht transportiert oder anderweitig belastet worden war. Den Pferden wurde in definierten Abständen Blut und Kot entnommen, um den Einfluss von Transport, Operation und Klinikstress möglichst gut zu erfassen. Die Zeitpunkte waren direkt nach der Einlieferung, am Morgen vor der Narkose, nach der Aufstehphase und sowohl einen als auch vier Tage nach der Narkose. Pferden, die nicht operiert wurden und der Kontrollgruppe wurden insgesamt dreimal Blut und Kot (Tag 1, 3, Tag vor der Entlassung) entnommen. Für die Zylexis®-Studie wurden Vitrektomie-Patienten ausgewählt, da diese ein gutes Beispiel für eine kurze, wenig traumatische Operation darstellen. Diese Pferde wurden mit den anderen Pferden, die leichten Operationen unterzogen wurden, verglichen. Bereits nach dem unterschiedlich langen Transport zeigten die Pferde signifikante Anstiege von Gesamtleukozytenzahl, dem Verhältnis neutrophiler Granulozyten zu Lymphozyten (N:L-Verhältnis), Glukose und den klinischen Parametern (Herzfrequenz, Atemfrequenz, Körpertemperatur). Die IgA-Konzentration im Kot sank bei den eingelieferten Pferden nach Einlieferung erst ab, um sich dann vermutlich durch den Kontakt mit den fremden Antigenen in der Klinik reflektorisch zu erhöhen. Auffällig war, dass die Kortisolkonzentration nach dem Transport bei den als „nervös, sensibel“ eingestuften Pferden signifikant höher lag als bei den „ruhigen, ausgeglichenen“ Pferden. Weitere deutliche Veränderungen zeigten sich nach den Operationen. Glukose, Kortisol und das N:L-Verhältnis wiesen nach den unterschiedlich langen Eingriffen höhere Konzentrationen auf. Die Laktatkonzentration stieg signifikant bereits nach der Operation und anschließend noch weiter nach der Aufstehphase. Dies ist primär auf die Muskelbelastung zurückzuführen, da Laktat vor allem muskulären Ursprungs ist. Hämatokrit und Gesamteiweiß sanken nach der Narkose aufgrund der intraoperativ verabreichten Infusionen ab. Einem starken hoch signifikanten Konzentrationsabfall unterlag auch der IgA-Gehalt im Kot. Dabei war kein Unterschied zwischen den verschiedenen Operationstraumata festzustellen. Ansonsten unterlagen die Pferde, die mit hochgradig gestörtem Allgemeinbefinden zu einer Notoperation eingeliefert wurden, viel deutlicheren Veränderungen als die anderen Pferde. Die Freien Radikale zeigten überhaupt keinen charakteristischen Verlauf. Sie schienen allerdings bei den chronisch erkrankten Pferden erhöht zu sein. Des Weiteren zeigten sie Erhöhungen bei bestimmten Erkrankungen („Equine Motor Neuron Disease“, Hufrehe). Bei den Pferden, die Zylexis® verabreicht bekamen, konnte eine Tendenz zur Verbesserung des Immunstatus nachgewiesen werden. Es fiel ein deutlich höherer Gesamteiweißgehalt auf, der wahrscheinlich auf eine vermehrte Produktion von Immunglobulinen zurückzuführen ist. Außerdem war die Kortisolkonzentration nach der Operation signifikant niedriger. Der IgAGehalt zeigte einen weniger deutlichen Konzentrationsabfall, was aber statistisch nicht belegt werden konnte. Die Untersuchungen zeigten, dass das N:L-Verhältnis und Glukose geeignete Parameter darstellen um zuverlässig den Stress, dem ein Pferd ausgesetzt ist, zu evaluieren. Kortisol ist vorsichtig zu interpretieren, da es großen individuellen Schwankungen ausgesetzt ist. Die Bestimmung von IgA im Kot gibt Aufschluss über den lokalen Immunstatus des Intestinaltrakts. Da es bei allen Pferden postoperativ zu signifikanten Konzentrationsabfällen kam, sind Pferde nach jeder Operation offensichtlich prädisponiert, eine Darmerkrankung, wie beispielsweise Colitis X, zu entwickeln. Kortisol scheint auch Einfluss auf das lokale Immunsystem zu nehmen, da hohe Kortisolwerte mit einem niedrigen IgA-Gehalt im Kot korrelierten. Um die Zusammenhänge der Blutparameter und der Colitis X näher zu erforschen und insbesondere um die „kritischen“ IgA-Konzentrationen zu ermitteln, wären noch weiterführende Untersuchungen aufschlußreich. [Many horses in clinics display symptoms of stress-associated diseases. One of the most feared is the so-called Colitis X, an often fatal ending diarrhea. As death occurs quite often in the course of those diseases, their avoidance has first priority. The aim of the following study was to find out whether signs of stress which are displayed by the horses correlate with measurable blood parameters. Furthermore we tried to find a parameter which was suitable to evaluate stress in hospitalized horses. Apart from the commonly measured parameters (hematocrit, total protein, leucocytes, glucose, lactate, corticosterone) we tried to include free oxygen radicals in this study. Immunoglobulin A in faeces was investigated to find out how stress interfered with the local immune system. A Paramunityinducer often used in Germany (Zylexis®) was administered to 10 selected horses to research its effect on the different parameters. 110 patients hospitalized in the horse clinic were examined. First the horses were organized into two groups. One group underwent surgery and the other one received stationary treatment. Furthermore a control group was taken into account which had not been transported or subjected to stress in six weeks prior to the study. The horses were drawn blood and collected faeces in defined intervals to register the influence of transport, operation and clinic stress. Blood samples were taken directly after the transport, prior to the operation, right after surgery and one day and four days after the operation. Horses which did not undergo surgery including the control group were drawn blood and faeces three times (day 1, 3, and the day prior to discharge from the clinic). For the paramunity investigation patients for vitrectomy were chosen as they display a good example for short little traumatic operations. Those were compared with other horses brought into the clinic for short operations. After the transport to the clinic horses showed significant increases in leukocyte concentration, N:L-ratio, glucose and the clinical parameters (heart rate, breathing rate, body temperature). The immunoglobulin concentration decreased after the transport to rapidly rise after contact with antigens from the clinic environment. Horses categorized as “nervous, sensitive” displayed significantly higher corticosterone concentrations after the transport than horses categorized as “cool, calm”. Other distinct variations showed after the operations. The lactate concentrations increased significantly after anaesthesia and went up even further after the horse got up afterwards. This is due to muscular fatigue as lactate is mainly produced in the muscles. Glucose, corticosterone and the N:L-ratio also displayed higher concentrations after the operation. Hematocrit and total protein concentrations decreased after anaesthesia ascribed to infusions during operation. After anaesthesia a highly significant reduction of immunoglobulin concentrations in the faeces was determined. No influence of the different operation traumas could be recognized. That was surprising as in all other cases horses in very bad general condition displayed distinct changes. The free oxygen radicals did not show any characteristic pattern. There appeared to be a higher concentration in horses with chronic illnesses. Furthermore some diseases, like Equine Motor Neuron Disease and laminitis, seemed to have an increasing impact on the oxygen radicals. Zylexis® showed a tendency to improve the immune status of the horses in this study. The paramunized horses had more total serum protein than the others. This could be due to an increased production of Immunoglobulins. Additionally the corticosterone concentration after the operation stayed on a significantly lower level. The local immunoglobulin A concentrations did not appear to decrease as much as in the non-paramunized horses but it was not possible to statistically prove this statement. The results of this study show that the N:L-ratio and glucose might be suitable parameters to reliably evaluate the stress that has an effect on the hospitalized horse. Corticosterone values have to be interpreted carefully as they are very prone to individual variations. Measuring immunoglobulins in faeces provides information about the local intestinal immune status. Since all horses showed significant lower immunoglobulin concentrations after the anesthesia/operation they obviously lack immune protection and are therefore predisposed for developing enteritis, as Colitis X. In this study corticosterone seemed to influence the local immune system as high concentrations of corticosterone correlated with low immunoglobulin levels. To understand the circumstances more thoroughly and to find out which factors have to be present additionally in order for the horses to fall ill with Colitis X, further investigations have to be made.] |
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| Corporate Author | Thesis | Ph.D. thesis | |||
| Publisher | LMU München | Place of Publication | München | Editor | |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5902 | ||
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| Author |
Mauck, B.; Dehnhardt, G. | ||||
| Title | Spatial multiple-choice matching in a harbour seal (Phoca vitulina): differential encoding of landscape versus local feature information? | Type | Journal Article | ||
| Year | 2007 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
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| Abstract | The nature of spatial information used for memorizing and recalling places is largely unclear. Earlier studies tested integration of geometric and feature information mostly during reorientation in artificial environments without including time as a memory-critical component. Here, we tested a harbour seal in a delayed matching-to-sample task (DMTS) in a familiar environment under two spatial multiple-choice conditions. The feature condition consisted of a DMTS task with four comparison stimuli presented on fixed positions in a classic matching apparatus and was designed to make stimulus features the most prominent information. The landscape condition consisted of a DMTS task in a familiar environment with four places marked by comparison stimuli and allowed the use of all available spatial information including geometrical and feature information. The seal's performance was impaired by delays of 3, 6, 9 or 12 s only in the feature condition; a delay of 12 s resulted in chance level performance. Replacing the comparison stimuli at the apparatus with identical spheres resulted in impaired performance. Performance in the landscape condition was impaired neither by delays nor by replacing comparison stimuli with spheres. Landscape information obviously was encoded redundantly and could be recalled more reliably and longer than feature information, which reveals feature information to be a less valuable type of spatial information for memorizing and recalling places. | ||||
| Address | Allgemeine Zoologie and Neurobiologie, Ruhr-Universitat Bochum, ND6/33, 44780, Bochum, Germany, Bjoern.Mauck@rub.de | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:17377825 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2412 | ||
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| Author |
Martins, A.P.; Miller, R.M.; Capaldi, E.J. | ||||
| Title | Memories and anticipations control responding by rats (Rattus norvegicus) in a Pavlovian procedure | Type | Journal Article | ||
| Year | 2007 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
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| Abstract | In Experiment 1 each rat received two different fixed series of three trials each. The unconditioned stimulus occurred on Trial 1 of one series and on Trial 3 of the other series, all other trials being nonreinforced. Previous Pavlovian investigations have shown that rats can remember the immediately prior reward outcome and anticipate the immediately subsequent reward outcome. Experiment 1 demonstrated that rats could remember and anticipate even more remote reward outcomes. In Experiment 2 two groups received a series of two nonrewarded trials followed by a rewarded trial. It was demonstrated that a change in the conditioned stimulus (CS) from Trial 2 to Trial 3, which occurred in one group, produced weaker responding than in the other group that did not experience such CS change. On the basis of these findings it was suggested that the rats organized the trials of a series into a unit or chunk. This was concluded for two reasons. First, remembering and anticipating remote reward outcomes strongly suggests that responding is being controlled by events extending beyond the current trial. Secondly, the experimental manipulations employed in the Pavlovian situation here are similar to those used in prior human learning and animal instrumental learning investigations concerned with chunking. Thus, it would appear that chunking is a ubiquitous phenomenon appearing in human serial learning (e.g., Bower and Winzenz 1969; Crowder 1976), in animal instrumental learning (e.g., Capaldi 1992; Hulse and Dorsky 1977; Terrace 1987), and now in Pavlovian learning. | ||||
| Address | Department of Psychological Sciences, School of Liberal Arts, Purdue University, 703 Third Street, West Lafayette, IN, 47907-2081, USA, julie@psych.purdue.edu | ||||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:17437140 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2404 | ||
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| Author |
Martin, P.; Bateson P. | ||||
| Title | Measuring Behaviour – An Introductory Guide | Type | Book Whole | ||
| Year | 2007 | Publication | Abbreviated Journal | ||
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| Publisher | Cambridge University Press | Place of Publication | Cambridge | Editor | |
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| Series Volume | Series Issue | Edition | Third Edition | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5402 | ||
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| Author |
Madden, J.R. | ||||
| Title | Do bowerbirds exhibit cultures? | Type | Journal Article | ||
| Year | 2007 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
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| Abstract | Definitions of what features constitute cultural behaviour, and hence define cultures are numerous. Many seem designed to describe those aspects of human behaviour which set us apart from other animals. A broad definition prescribing that the behaviour is: learned; learned socially; normative and collective is considered to apply to several species of great ape. In this paper, I review observations and experiments covering a suite of different behavioural characteristics displayed in members of the bowerbird family (Ptilonorhynchidae) and ask whether they fulfil these criteria. These include vocalisations, bower design, decoration use, bower orientation and display movements. Such a range of behaviours refutes the suggestion that these species are “one-trick ponies”-a criticism that is often levelled at claims for culture in non-primate species. I suggest that, despite a paucity of data in comparison with primate studies, it could be argued that bowerbirds may be considered to fulfil the same criteria on which we base our use of the term culture when applied to our close relatives, the great apes. If bowerbirds do have cultures, then their unusual natural history makes them a highly tractable system in which questions of social learning and culture can be tackled. | ||||
| Address | Department of Zoology, University of Cambridge, Downing Street, Cambridge, CB2 3EJ, UK, jrm54@cam.ac.uk | ||||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:17551758 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2393 | ||
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