| Records |
| Author |
Franke Stevens E, |
| Title |
Contents between bands of feral horses for access to fresh water: the resident wins |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
Anim Beh |
Volume  |
36 |
Issue |
6 |
Pages |
1851-1853 |
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Medium |
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Expedition |
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Conference |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1091 |
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| Author |
Smielowski, J. |
| Title |
Breeding of the Grevy's Zebra at Polish zoological gardens |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
Przeglad Zool |
| Volume |
32 |
Issue |
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Pages |
595-597 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1608 |
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| Author |
Brennan, J.; Anderson, J. |
| Title |
Varying responses to feeding competition in a group of rhesus monkeys (Macaca mulatta) |
Type |
Journal Article |
| Year |
1988 |
Publication |
Primates |
Abbreviated Journal |
Primates |
| Volume |
29 |
Issue |
3 |
Pages |
353-360 |
| Keywords |
Macaca mulatta – Dominance – Feeding – Agonistic behaviour – Snakes |
| Abstract |
The behaviour of members of a group of rhesus monkeys was observed in experimentally created, competitive feeding situations. Socially dominant members of the group tended to start eating before lower-ranking subjects, and generally ate more. Dominants sometimes used aggression to control access to food, but overall, intermediate-ranking monkeys were involved in most agonistic episodes. Non-dominant subjects improved their feeding performance when food was presented in three piles rather than one pile, often by snatching food and consuming it away from the pile. These general patterns were less evident when realistic snake models were placed on some of the food piles. Feeding was disrupted by the presence of snakes, but notably, subordinates risked feeding in these conditions. Piles containing preferred foods and snakes were eaten from, but a low-preference food (carrot) under snakes went untouched by all subjects. The results suggest that group-members evaluate potential risks and benefits of competing for a restricted resource, and that dominance status, while an important factor, is only one element in the equation. |
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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
809 |
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| Author |
NOVELLIE PA et al, |
| Title |
Factors affecting the seasonal movements of Cape mountain zebras in the Mountain Zebra National Park |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
S Afr J Zool |
| Volume |
23 |
Issue |
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Pages |
13-19 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1424 |
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| Author |
Smuts, M.M.S.; Penzhorn, B. L. |
| Title |
Descriptions of antomical differences between skulls and mandibles of Equus zebra and E. burchelli from southern Africa |
Type |
Journal Article |
| Year |
1988 |
Publication |
South African Journal of Zoology |
Abbreviated Journal |
South African Journal of Zoology |
| Volume |
23 |
Issue |
(4)3 |
Pages |
328-336 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1617 |
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| Author |
Clutton-Brock, T.H.; Green, D.; Hiraiwa-Hasegawa, M.; Albon, S.D. |
| Title |
Passing the buck: resource defence, lek breeding and mate choice in fallow deer |
Type |
Journal Article |
| Year |
1988 |
Publication |
Behav. Ecol. Sociobiol. |
Abbreviated Journal |
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| Volume |
23 |
Issue |
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Pages |
281-296 |
| Keywords |
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| Abstract |
lsquoLekrsquo breeding systems, where males defend small, clustered mating territories, are thought to occur where the distribution of females is heavily clumped but males are unable to defend resources used by females. In this paper, we describe a breeding system in fallow deer where males are able to defend resources used by females but the most successful bucks instead defend small territories on a traditional mating ground; where the lek is sited in an area not heavily used by females at other times of year and is visited primarily by females in or close to oestrus; and where mating success on the lek is related to territory position and to male phenotype but not to the resources available on different lek territories. Comparisons with other ungulates suggest that lek breeding species fall into two groups: those where leks are regularly visited by herds of females many of which are not in oestrus and those, like fallow deer, where leks are visited primarily by oestrous females. In the latter species, it is unlikely that females visit the lek for ecological reasons. |
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| Notes |
10.1007/Bf00300575 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4882 |
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| Author |
Leonard, M.L.; Horn, A.G.; Eden, S.F. |
| Title |
Parent-offspring aggression in moorhens |
Type |
Journal Article |
| Year |
1988 |
Publication |
Behav. Ecol. Sociobiol. |
Abbreviated Journal |
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| Volume |
23 |
Issue |
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Pages |
265-270 |
| Keywords |
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| Abstract |
The purpose of this study was to explain parental aggression to offspring in the moorhen (Gallinula chloropus). Males and females did not feed different subsets of chicks. In addition, there was a positive correlation between feeding rates of each parent to a particular chick and the number of attacks (tousles) directed to that chick, contrary to what was expected if aggression served to divide the brood. In moorhens, large chicks outcompeted small chicks for parental feedings. However, adults were more aggressive to large chicks and as a result small chicks spent significantly more time closer to parents and received more feedings than large chicks. In 84% of broods every chick was attacked at least once, although large chicks were attacked more often than small chicks. The behaviour of chicks changed immediately after an attack (Table 2). Before an attack chicks were <1 m from the parents while after an attack they were >1 m. The apparent effect of parental aggression in moorhens is to reduce demands by chicks for feedings. Aggression appears to reduce sibling competition and to encourage chick independence. |
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| Notes |
10.1007/Bf00302949 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4905 |
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| Author |
Ryder, O.A. |
| Title |
Przewalski's horse – putting the wild horse back in the wild |
Type |
Journal Article |
| Year |
1988 |
Publication |
Oryx |
Abbreviated Journal |
Oryx |
| Volume |
22 |
Issue |
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Pages |
154-157 |
| Keywords |
Equidae genetics. |
| Abstract |
The Asian wild horse, or Przewalski's horse (Equus przewalskii), is believed to currently survive only in captivity. There are more than 660 individuals in over 70 zoological collections, and animals are available for reintroduction. The Przewalski's horse had been bred in captivity for 12 generations, and inbreeding has occurred. Genetic variability has been lost, and released animals will require acclimatization on or near release sites. In China, a program is under way for acclimatization, breeding, and release of wild horses, and plans are being made for a similar program in Mongolia. (LCA) |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1537 |
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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 |
| Keywords |
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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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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
764 |
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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 |
| Keywords |
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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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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
775 |
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