Records |
Author |
Assersohn, C.; Whiten, A.; Kiwede, Z.T.; Tinka, J.; Karamagi, J. |
Title |
Use of leaves to inspect ectoparasites in wild chimpanzees: a third cultural variant? |
Type |
Journal Article |
Year |
2004 |
Publication |
Primates |
Abbreviated Journal |
Primates |
Volume |
45 |
Issue |
4 |
Pages |
255-258 |
Keywords |
Animals; Animals, Wild/physiology; Ape Diseases/*parasitology; Behavior, Animal/*physiology; Ectoparasitic Infestations/parasitology/*veterinary; Female; Grooming/*physiology; Male; Pan troglodytes/*physiology; *Plant Leaves; Protozoa/*isolation & purification; Uganda |
Abstract |
We report 26 cases of using leaves as tools with which wild chimpanzees (Pan troglodytes schweinfurthii) in the Sonso community, Budongo Forest, Uganda, appeared to inspect objects removed during grooming. Careful removal of potential ectoparasites and delicate lip or manual placement on leaves followed by intense visual examination characterised this behaviour. It appears to be done to judge whether either ingestion or discarding is most appropriate, the former occurring in most cases. This behaviour may represent a third variant of ectoparasite handling, different from those described at Tai and Gombe, yet sharing features with the latter. These two East African techniques may thus have evolved from leaf grooming. |
Address |
Scottish Primate Research Group, School of Psychology, University of St Andrews, St Andrews, KY16 9JU, Fife, UK |
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English |
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ISSN |
0032-8332 |
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Notes |
PMID:15179558 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
733 |
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Author |
Stoinski, T.S.; Whiten, A. |
Title |
Social learning by orangutans (Pongo abelii and Pongo pygmaeus) in a simulated food-processing task |
Type |
Journal Article |
Year |
2003 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
Volume |
117 |
Issue |
3 |
Pages |
272-282 |
Keywords |
*Animal Communication; Animals; *Feeding Behavior; Female; *Imitative Behavior; Male; Pongo pygmaeus/*psychology; Problem Solving; Psychomotor Performance; Social Environment; Species Specificity; *Transfer (Psychology) |
Abstract |
Increasing evidence for behavioral differences between populations of primates has created a resurgence of interest in examining mechanisms of information transfer between individuals. The authors examined the social transmission of information in 15 captive orangutans (Pongo abelii and Pongo pygmaeus) using a simulated food-processing task. Experimental subjects were shown 1 of 2 methods for removing a suite of defenses on an “artificial fruit.” Control subjects were given no prior exposure before interacting with the fruit. Observing a model provided a functional advantage in the task, as significantly more experimental than control subjects opened the fruit. Within the experimental groups, the authors found a trend toward differences in the actual behaviors used to remove 1 of the defenses. Results support observations from the wild implying horizontal transfer of information in orangutans and show that a number of social learning processes are likely to be involved in the transfer of knowledge in this species. |
Address |
Department of Primate Research, Zoo Atlanta, Atlanta, GA 30315, USA. tstoinski@zooatlanta.org |
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English |
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ISSN |
0735-7036 |
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Notes |
PMID:14498803 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
737 |
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Author |
Stoinski, T.S.; Wrate, J.L.; Ure, N.; Whiten, A. |
Title |
Imitative learning by captive western lowland gorillas (Gorilla gorilla gorilla) in a simulated food-processing task |
Type |
Journal Article |
Year |
2001 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
Volume |
115 |
Issue |
3 |
Pages |
272-281 |
Keywords |
Animals; Behavior, Animal/physiology; *Discrimination Learning; Feeding Behavior/*physiology; Gorilla gorilla; *Imitative Behavior; Social Behavior |
Abstract |
Although field studies have suggested the existence of cultural transmission of foraging techniques in primates, identification of transmission mechanisms has remained elusive. To test experimentally for evidence of imitation in the current study, we exposed gorillas (Gorilla gorilla gorilla) to an artificial fruit foraging task designed by A. Whiten and D. M. Custance (1996). Gorillas (n=6) watched a human model remove a series of 3 defenses around a fruit. Each of the defenses was removed using 1 of 2 alternative techniques. Subsequent video analysis of gorillas' behavior showed a significant tendency to copy the observed technique on 1 of the individual defenses and the direction of removal on another defense. This is the first statistically reliable evidence of imitation in gorillas. Sequence of defense removal was not replicated. The gorillas' responses were most similar to those of chimpanzees. |
Address |
TECHlab, Zoo Atlanta, Georgia 30315, USA. stoinskit@mindspring.com |
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ISSN |
0735-7036 |
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Notes |
PMID:11594496 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
738 |
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Author |
Whiten, A.; McGrew, W.C. |
Title |
Is this the first portrayal of tool use by a chimp? |
Type |
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Year |
2001 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
409 |
Issue |
6816 |
Pages |
12 |
Keywords |
Animals; *Behavior, Animal; Pan troglodytes/*physiology; Philately |
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English |
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ISSN |
0028-0836 |
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Notes |
PMID:11343083 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
739 |
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Author |
Whiten, A.; Boesch, C. |
Title |
The cultures of chimpanzees |
Type |
Journal Article |
Year |
2001 |
Publication |
Scientific American |
Abbreviated Journal |
Sci Am |
Volume |
284 |
Issue |
1 |
Pages |
60-67 |
Keywords |
Animals; *Behavior, Animal; Culture; Feeding Behavior; Grooming; Hominidae; Humans; Pan troglodytes/*physiology |
Abstract |
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Address |
University of St. Andrews |
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English |
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ISSN |
0036-8733 |
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Notes |
PMID:11132425 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
740 |
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Author |
Whiten, A.; Goodall, J.; McGrew, W.C.; Nishida, T.; Reynolds, V.; Sugiyama, Y.; Tutin, C.E.; Wrangham, R.W.; Boesch, C. |
Title |
Cultures in chimpanzees |
Type |
Journal Article |
Year |
1999 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
399 |
Issue |
6737 |
Pages |
682-685 |
Keywords |
Animals; *Behavior, Animal; Cognition; *Culture; Humans; Pan troglodytes/*physiology; Species Specificity |
Abstract |
As an increasing number of field studies of chimpanzees (Pan troglodytes) have achieved long-term status across Africa, differences in the behavioural repertoires described have become apparent that suggest there is significant cultural variation. Here we present a systematic synthesis of this information from the seven most long-term studies, which together have accumulated 151 years of chimpanzee observation. This comprehensive analysis reveals patterns of variation that are far more extensive than have previously been documented for any animal species except humans. We find that 39 different behaviour patterns, including tool usage, grooming and courtship behaviours, are customary or habitual in some communities but are absent in others where ecological explanations have been discounted. Among mammalian and avian species, cultural variation has previously been identified only for single behaviour patterns, such as the local dialects of song-birds. The extensive, multiple variations now documented for chimpanzees are thus without parallel. Moreover, the combined repertoire of these behaviour patterns in each chimpanzee community is itself highly distinctive, a phenomenon characteristic of human cultures but previously unrecognised in non-human species. |
Address |
Scottish Primate Research Group, School of Psychology, University of St Andrews, UK |
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ISSN |
0028-0836 |
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Notes |
PMID:10385119 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
742 |
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Author |
Whiten, A. |
Title |
Imitation of the sequential structure of actions by chimpanzees (Pan troglodytes) |
Type |
Journal Article |
Year |
1998 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
Volume |
112 |
Issue |
3 |
Pages |
270-281 |
Keywords |
Animals; Appetitive Behavior/physiology; *Ceremonial Behavior; Exploratory Behavior/physiology; Female; Fruit; Imitative Behavior/*physiology; Learning/*physiology; Male; Pan troglodytes/*psychology; Practice (Psychology); Problem Solving/*physiology |
Abstract |
Imitation was studied experimentally by allowing chimpanzees (Pan troglodytes) to observe alternative patterns of actions for opening a specially designed “artificial fruit.” Like problematic foods primates deal with naturally, with the test fruit several defenses had to be removed to gain access to an edible core, but the sequential order and method of defense removal could be systematically varied. Each subject repeatedly observed 1 of 2 alternative techniques for removing each defense and 1 of 2 alternative sequential patterns of defense removal. Imitation of sequential organization emerged after repeated cycles of demonstration and attempts at opening the fruit. Imitation in chimpanzees may thus have some power to produce cultural convergence, counter to the supposition that individual learning processes corrupt copied actions. Imitation of sequential organization was accompanied by imitation of some aspects of the techniques that made up the sequence. |
Address |
Scottish Primate Research Group, School of Psychology, University of St. Andrews, Fife, Scotland. a.whiten@st-andrews.ac.uk |
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English |
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0735-7036 |
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Notes |
PMID:9770315 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
743 |
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Author |
Dyer, F.C. |
Title |
Animal behaviour: when it pays to waggle |
Type |
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Year |
2002 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
419 |
Issue |
6910 |
Pages |
885-886 |
Keywords |
*Animal Communication; Animals; Bees/*physiology; California; Dancing/physiology; Environment; Evolution; Female; Flowers/chemistry; *Food; Gravitation; Lighting; Motor Activity/*physiology; Odors; Seasons; Sunlight |
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0028-0836 |
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Notes |
PMID:12410290 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
769 |
Permanent link to this record |
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Author |
Mills, D.S. |
Title |
Applying learning theory to the management of the horse: the difference between getting it right and getting it wrong |
Type |
Journal Article |
Year |
1998 |
Publication |
Equine veterinary journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
Volume |
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Issue |
27 |
Pages |
44-48 |
Keywords |
Animals; *Behavior, Animal; Horses/*psychology; *Learning; Reinforcement (Psychology) |
Abstract |
Horses constantly modify their behaviour as a result of experience. This involves the creation of an association between events or stimuli. The influence of people on the modification and generation of certain behaviour patterns extends beyond the intentional training of the horse. The impact of any action depends on how it is perceived by the horse, rather than the motive of the handler. Negative and positive reinforcement increase the probability of specific behaviours recurring i.e. strengthen the association between events, whereas punishment reduces the probable recurrence of a behaviour without providing specific information about the desired alternative. In this paper the term 'punishers' is used to refer to the physical aids, such as a whip or crop, which may be used to bring about the process of punishment. However, if their application ceases when a specific behaviour occurs they may negatively reinforce that action. Intended 'punishers' may also be rewarding (e.g. for attention seeking behaviour). Therefore, contingency factors (which define the relationship between stimuli, such as the level of reinforcement), contiguity factors (which describe the proximity of events in space or time) and choice of reinforcing stimuli are critical in determining the rate of learning. The many problems associated with the application of punishment in practice lead to confusion by both horse and handler and, possibly, abuse of the former. Most behaviour problems relate to handling and management of the horse and can be avoided or treated with a proper analysis of the factors influencing the behaviour. |
Address |
De Montfort University Lincoln, School of Agriculture and Horticulture, Caythorpe, Lincs., UK |
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PMID:10485004 |
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no |
Call Number |
refbase @ user @ |
Serial |
845 |
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Author |
Backhaus D, |
Title |
Experimentelle Untersuchungen ber die Sehschärfe und das Farbsehen einiger Huftiere |
Type |
Journal Article |
Year |
1959 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
Volume |
16 |
Issue |
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Pages |
445-467 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
Call Number |
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Serial |
910 |
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