| Records |
| Author |
Mrosovsky, N.; Shettleworth, S.J. |
| Title |
Wavelength preferences and brightness cues in the water finding behaviour of sea turtles |
Type |
Journal Article |
| Year |
1968 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
32 |
Issue |
4 |
Pages  |
211-257 |
| Keywords |
Animals; *Behavior, Animal; *Color Perception; Cues; Light; *Turtles; Water |
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| Language |
English |
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Series Issue |
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Edition |
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| ISSN |
0005-7959 |
ISBN |
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Medium |
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| Notes |
PMID:5717260 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
391 |
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| Author |
Mrosovsky, N.; Shettleworth, S.J. |
| Title |
Further studies of the sea-finding mechanism in green turtle hatchlings |
Type |
Journal Article |
| Year |
1974 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
51 |
Issue |
3-4 |
Pages |
195-208 |
| Keywords |
Animals; *Animals, Newborn/physiology; Contact Lenses; Locomotion; *Orientation; Retina/physiology; *Turtles/physiology; Visual Fields; *Visual Perception; Water |
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0005-7959 |
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| Notes |
PMID:4447586 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
389 |
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| Author |
Duncan, P. |
| Title |
Time-budgets of Camargue horses III. Environmental influences |
Type |
Journal Article |
| Year |
1985 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
92 |
Issue |
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Pages |
188-208 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2283 |
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| Author |
Boy V, D.P. |
| Title |
Time-budgets of Camargue horses, I. Development changes in the time-budgets of foals |
Type |
Journal Article |
| Year |
1979 |
Publication |
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Abbreviated Journal |
Behaviour |
| Volume |
71 |
Issue |
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Pages |
187-202 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
966 |
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| Author |
Boy, V.; Duncan, P. |
| Title |
Time-budgets of Camargue horses. I. Developmental changes in the time-budgets of foals. |
Type |
Journal Article |
| Year |
1979 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
71 |
Issue |
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Pages |
187-201 |
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20 |
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Approved |
no |
| Call Number |
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Serial |
1803 |
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| Author |
Burger, J.; Gochfeld. |
| Title |
Vigilance in African mammals: differences among mothers, other females, and males. |
Type |
Journal Article |
| Year |
1994 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
131 |
Issue |
3-4 |
Pages |
153-169 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2252 |
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| Author |
Franke Stevens, E. |
| Title |
Instability of harems of feral horses in relation to season and presence of subordinate stallions |
Type |
Journal Article |
| Year |
1990 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
112 |
Issue |
3-4 |
Pages |
149-161 |
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| Abstract |
Male horses (Equus caballus) defend harems of females (bands) year-round and throughout their lifetimes. A male's lifetime reproductive success depends upon the number of females in his harem. Although harems have previously been reported as remaining stable over many years, during the two years of this study 30 % of the adult females in an island population of feral horses changed harems during late winter. The seasonal differences in harem stability resulted from seasonal differences in the abundance and distribution of food. The spacing between band members was greater and the frequency of social interactions between them was lower in winter than in summer. In addition, the amount of time devoted to grazing increased in winter. These differences are attributed to the lower availability of suitable vegetation duirng winter. Harem stability did not depend on the age of females, the size of the harem, nor the age of the harem stallion, but did depend on the presence of subordinate stallions attached to the band. All of the females that changed bands left single-male bands; multi-male bands were stable throughout the study. |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1632 |
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| Author |
Barette, C.; Vandal, D. |
| Title |
Social rank, dominance, antler size, and access to food in snow-bound wild woodland caribou |
Type |
Journal Article |
| Year |
1986 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
97 |
Issue |
1-2 |
Pages |
118-146 |
| Keywords |
Canada; Quebec; Artiodactyla; Social dominance; Feeding behavior; Morphology; Antler; Rangifer tarandus; North America; America; Ungulata; Mammalia; Vertebrata |
| Abstract |
We spent two winters studying the social behaviour of wild woodland caribou (Rangifer tarandus caribou) at a time when their main food (ground lichens; Cladina sp.) is available only at snow craters dug by the animals. The competition for access to such craters was severe, the animals constantly trying to take over the craters of others. During a two-month period when a group maintained a constant size (20) and composition (all age-sex classes represented), we could rank the animals in a rather linear dominance hierarchy (Landau's index = 0.87). Rank was correlated with access to resources, percent of time spent active, and percent of time feeding in craters. It was also correlated with age and antler size. However, rank is not an attribute of individuals, but of a relationship between individuals. As such it is only an intervening variable between physical attributes and access to resources, a variable whose value has meaning only within a given group. Among the three attributes studied (age, sex, antler size), the latter was by far the best predictor of the occurrence and outcome of interactions. Between two individuals within any of the three age-sex classes studied (adult and yearling males and adult females), the one with larger antlers initiated significantly more often, escalated its aggression (to the point of hitting the target) less often, and enjoyed a higher success rate in obtaining resources. When their antlers were larger than those of an adult male target (i.e. males that had shed their antlers), adult females won almost all their interactions with adult males even though they escalated only one fourth of them. This clarifies the long-standing speculation that female caribou have antlers and shed them later than males, in order to overcome their sexual handicap in competition for food in the winter. We conclude that the link between rank and dominance of an individual on one hand, and some of its attributes on the other (e.g. sex, age, weight, antler size) is fundamentally realized by the animal itself through its active preference for targets it is likely to beat, i.e. targets with smaller antlers. |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4269 |
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| Author |
Jensen, G.D.; Gordon, B.N.; Wolfheim, J. |
| Title |
Nursing behavior in infant monkeys: a sequence analysis |
Type |
Journal Article |
| Year |
1975 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
55 |
Issue |
1-2 |
Pages |
115-127 |
| Keywords |
Animals; Dependency (Psychology); *Feeding Behavior; Female; *Macaca; Male; Sensory Deprivation; Social Behavior; Spatial Behavior |
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English |
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| ISSN |
0005-7959 |
ISBN |
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Conference |
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| Notes |
PMID:1191212 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4153 |
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| Author |
Lamprecht, J. |
| Title |
Variable Leadership in Bar-Headed Geese (Anser Indicus) : an Analysis of Pair and Family Departures |
Type |
Journal Article |
| Year |
1992 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
122 |
Issue |
1-2 |
Pages |
105-119 |
| Keywords |
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| Abstract |
This paper reports quantitative leadership differences in semi-captive bar-headed geese (Anser indicus) at different times of the year, and in different types of groups. Leading is defined here as causing the departure or determining the direction of movement of the whole group. No permanent and exclusive leader of a pair or family group was found, rather relative leading frequencies of male, female and young showed a definite shifting pattern. Females led more often than their mates prior to breeding, and on nest pauses during the incubation period, but less often in summer, autumn and early winter. In families there was no difference between the frequencies of male and female leading. Family females led relatively more often than those of pairs without offspring. This difference was related to the presence, not the number, of young. Goslings led the family about as often as the parents during the rearing period in early summer, less often in autumn, winter and next spring. Such differences and changes are to be expected where competence in particular tasks and dependence on partners vary between group members, and where different situations require different abilities. For the geese, the results can be related to the different options of group members and to the different benefits they derive from leaving (or 'staying put') or following (or waiting for the others) in different situations. |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5128 |
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