| Records |
| Author |
Galdikas BMF |
| Title |
Orangutan diet, range, and activity at Tanjung Puting, Central Borneo |
Type |
Journal Article |
| Year |
1988 |
Publication |
Int. J. Primatol. |
Abbreviated Journal |
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| Volume |
9 |
Issue |
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Pages |
1 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
2996 |
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| Author |
Gopnik A, G.P. |
| Title |
Knowing how you know: young children's ability to identify and remember the sources of their beliefs |
Type |
Journal Article |
| Year |
1988 |
Publication |
Child Dev. |
Abbreviated Journal |
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| Volume |
59 |
Issue |
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Pages |
1366 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3001 |
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| Author |
Sugiyama Y; Koman J; Bhoye Show M |
| Title |
Ant-catching wands of wild chimpanzees at Bossou, Guinea |
Type |
Journal Article |
| Year |
1988 |
Publication |
Folia Primatol. |
Abbreviated Journal |
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| Volume |
51 |
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Pages |
56 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3042 |
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| Author |
Wimmer H; Hogrefe GJ; Perner J |
| Title |
Children's understanding of informational access as a source of knowledge |
Type |
Journal Article |
| Year |
1988 |
Publication |
Child Dev. |
Abbreviated Journal |
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| Volume |
59 |
Issue |
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Pages |
386 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3050 |
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| Author |
Fuller, T.K.; Sampson, B.A. |
| Title |
Evaluation of a simulated howling survey for wolves |
Type |
Journal Article |
| Year |
1988 |
Publication |
J Widl Manag |
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| Volume |
52 |
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Equine Behaviour @ team @ Fuller1988 |
Serial |
6458 |
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| Author |
Marinier, S.L.; Alexander, A.J.; Waring, G.H. |
| Title |
Flehmen behaviour in the domestic horse: Discrimination of conspecific odours |
Type |
Journal Article |
| Year |
1988 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
19 |
Issue |
3-4 |
Pages |
227-237 |
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| Abstract |
American Saddlebred horses were used to test the responses of domestic horses to the odours of conspecifics. In all cases the odours were tested in the absence of the donor animal. Thus the test animal's behavioural responses were concentrated on the olfactory stimuli, and possible interference from donor behaviour was eliminated. Stallions were significantly more responsive than mares and geldings. This was shown in both flehmen and sniffing behaviour to urine/vaginal secretions and in sniffing behaviour to faecal samples. Only stallions were used for subsequent tests. Stallions showed no significant differences in response to the odour of urine/vaginal secretions of an oestrus mare from that when she was not in season. Parameters used for analysis of data were frequency, latency and duration of flehmen as well as duration of responsiveness to samples. In testing for differences in odours between individual mares, two methods were used. The stallions differentiated between samples from individual mares. In some cases this differentiation was exhibited when the stallions were merely presented with the two samples in sequence. In other cases statistically significant differences in response to the odours were shown only by simultaneous presentation of the two samples to the test stallion. Parameters used for data analysis were frequency and duration of flehmen and duration of responsiveness. |
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no |
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refbase @ user @ |
Serial |
507 |
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| Author |
Houston, A.I.; McNamara, J.M. |
| Title |
Fighting for food: a dynamic version of the Hawk-Dove game |
Type |
Journal Article |
| Year |
1988 |
Publication |
Evolutionary Ecology |
Abbreviated Journal |
Evol. Ecol. |
| Volume |
2 |
Issue |
1 |
Pages |
51-64 |
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no |
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refbase @ user @ |
Serial |
750 |
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| Author |
Feh, C. |
| Title |
Social behaviour and relationships of Prezewalski horses in Dutch semi-reserves |
Type |
Journal Article |
| Year |
1988 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
21 |
Issue |
1-2 |
Pages |
71-87 |
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| Abstract |
A short-term study was made of 2 groups of Przewalski horses, a bachelor group of 4 juvenile stallions in Ooij Polder and a harem group of 1 stallion and 4 mares. All social interactions were recorded and the nearest and farthest neighbour was noted. Correspondence analysis was used to determine what parameters determined the relationships among the horses. There was a linear hierarchy among the bachelor stallions. The dominant stallion of the group was also the oldest. The hierarchy was not linear in the harem group, and the 3-year-old stallion was subordinate to the 5-year-old mares. He was also most likely to be farthest from other horses. The mares of the same age, who had also arrived in the park at the same time, tended to be one another's nearest neighbours. The frequency of aggression is higher among Przewalski horses than among domestic horses of similar ages. Correspondence analysis revealed that head-threats and other forms of aggression accounted for more of the variance in the data than any other behaviour, but submission, play and social interactions also contributed. |
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no |
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refbase @ user @ |
Serial |
764 |
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| Author |
Ginsberg, J.R. |
| Title |
Social organisation and mating strategies of an arid adapted equid: The Grevy`s zebra. |
Type |
Manuscript |
| Year |
1988 |
Publication |
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Issue |
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Pages |
268 pp |
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Thesis |
Ph.D. thesis |
| Publisher |
Princeton University |
Place of Publication |
Princeton |
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no |
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refbase @ user @ |
Serial |
766 |
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| Author |
Keiper, R.R. |
| Title |
Social interactions of the Przewalski horse (Equus przewalskii Poliakov, 1881) herd at the Munich Zoo |
Type |
Journal Article |
| Year |
1988 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
21 |
Issue |
1-2 |
Pages |
89-97 |
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| Abstract |
Data were collected on 972 aggressions and 233 acts of mutual grooming in a herd of 9 Przewalski horses in the Hellabrunn Tierpark in Munich, West Germany. The herd was composed of 1 adult stallion, 5 adult mares and 3 foals. A distinct linear dominance hierarchy was present in the herd, with the stallion being the top-ranking animal. Age was significantly correlated with rank. Almost 40% of all aggressions consisted of herding actions by the stallion. Threats to bite (20% of all aggressions) and threats to kick (11.4%) were next in frequency of occurrence. Most mutual grooms (71%) involved grooming the front part of the body. Although mutual grooming may be used to appease higher-ranked animals, most grooming bouts were between related horses. Foals initiate 47.6% of all allogrooming. Mutual grooming may reduce weaning conflict between a mare and her foal or may result in female coalitions that defend against predators or aggression by the herd stallion. |
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refbase @ user @ |
Serial |
775 |
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