| Records |
| Author |
Byrne, R.W. |
| Title |
Do larger brains mean greater intelligence? |
Type |
Journal Article |
| Year |
1993 |
Publication |
Behavioral and Brain Sciences |
Abbreviated Journal |
Behav. Brain Sci. |
| Volume |
16 |
Issue |
4 |
Pages |
696-697 |
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| Publisher |
Cambridge University Press |
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1469-1825 |
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Equine Behaviour @ team @ |
Serial |
6171 |
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| Author |
Krange, O.; Skogen, K. |
| Title |
When the lads go hunting: The 'Hammertown mechanism' and the conflict over wolves in Norway |
Type |
Journal Article |
| Year |
2011 |
Publication |
Ethnography |
Abbreviated Journal |
Ethnography |
| Volume |
12 |
Issue |
4 |
Pages |
466-489 |
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| Abstract |
Rural communities are changing. Depopulation and unemployment is accompanied by the advance of new perspectives on nature, where protection trumps resource extraction. These developments are perceived as threatening by rural working-class people with close ties to traditional land use ? a situation they often meet with cultural resistance. Cultural resistance is not necessarily launched against institutionalized power, nor does it necessarily imply a desire for fundamental social change. It should rather be seen as a struggle for autonomy. However, autonomy does not entail influence outside the cultural realm. Struggles to uphold traditional rural lifestyles ? for example by denouncing the current nature conservation regime ? could be understood in much the same conceptual framework as Willis employed in ?Learning to labour?. Based on an ethnographic study of the conflicts over wolf protection, we demonstrate that ?the Hammertown mechanism? is of a more general nature than often implied in the discussion of Willis? work. |
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SAGE Publications |
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| ISSN |
1466-1381 |
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| Notes |
doi: 10.1177/1466138110397227 |
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no |
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Equine Behaviour @ team @ |
Serial |
6425 |
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| Author |
Schino, G.; Aureli, F. |
| Title |
Reciprocity in group-living animals: partner control versus partner choice |
Type |
Journal Article |
| Year |
2016 |
Publication |
Biological Reviews |
Abbreviated Journal |
Biol Rev |
| Volume |
92 |
Issue |
2 |
Pages |
665-672 |
| Keywords |
cooperation; reciprocity; partner control; partner choice; proximate mechanisms |
| Abstract |
ABSTRACT Reciprocity is probably the most debated of the evolutionary explanations for cooperation. Part of the confusion surrounding this debate stems from a failure to note that two different processes can result in reciprocity: partner control and partner choice. We suggest that the common observation that group-living animals direct their cooperative behaviours preferentially to those individuals from which they receive most cooperation is to be interpreted as the result of the sum of the two separate processes of partner control and partner choice. We review evidence that partner choice is the prevalent process in primates and propose explanations for this pattern. We make predictions that highlight the need for studies that separate the effects of partner control and partner choice in a broader variety of group-living taxa. |
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Wiley/Blackwell (10.1111) |
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Edition |
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| ISSN |
1464-7931 |
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| Notes |
doi: 10.1111/brv.12248 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6411 |
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| Author |
Ronnenberg, K.; Habbe, B.; Gräber, R.; Strauß, E.; Siebert, U. |
| Title |
Coexistence of wolves and humans in a densely populated region (Lower Saxony, Germany) |
Type |
Journal Article |
| Year |
2017 |
Publication |
Basic and Applied Ecology |
Abbreviated Journal |
Basic. Appl. Ecol. |
| Volume |
25 |
Issue |
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Pages |
1-14 |
| Keywords |
Grey wolf; ; Habitat use; Species distribution models; Predator-prey interactions |
| Abstract |
Since the first sporadic occurrences of grey wolves (Canis lupus) west of the Polish border in 1996, wolves have shown a rapid population recovery in Germany. Wolves are known to avoid people and wolf attacks on humans are very rare worldwide. However, the subjectively perceived threat is considerable, especially as food-conditioned habituation to humans occurs sporadically. Lower Saxony (Germany) has an exceedingly higher human population density than most other regions with territorial wolves; thus, the potential for human-wolf conflicts is higher. Using hunters' wildlife survey data from 455 municipalities and two years (2014-2015) and data from the official wolf monitoring (557 confirmed wolf presences and 500 background points) collected between 2012-2015, grey wolf habitat selection was modelled using generalized additive models with respect to human population density, road density, forest cover and roe deer density. Moreover, we tested whether habitat use changed in response to human population and road density between 2012/2013 and 2014/2015. Wolves showed a preference for areas of low road density. Human population density was less important as a covariate in the model of the survey data. Areas with higher prey abundance (5-10 roe deer/km2) and areas with >20% forest cover were preferred wolf habitats. Wolves were mostly restricted to areas with the lowest road and human population densities. However, between the two time periods, avoidance of human density decreased significantly. Recolonization of Germany is still in its early stages and it is unclear where this process will halt. To-date authorities mainly concentrate on monitoring measures. However, to avoid conflict, recolonization will require more stringent management of wolf populations and an improved information strategy for rural populations. |
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Edition |
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| ISSN |
1439-1791 |
ISBN |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6397 |
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| Author |
Genov, P.W.; Kostava, V. |
| Title |
Untersuchungen zur zahlenmäßigen Stärke des Wolfes und seiner Einwirkung auf die Haustierbestände in Bulgarien |
Type |
Journal Article |
| Year |
1993 |
Publication |
Zeitschrift für Jagdwissenschaft |
Abbreviated Journal |
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| Volume |
39 |
Issue |
4 |
Pages |
217-223 |
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| Abstract |
Die Untersuchung wurde in der Zeitspanne von 1984 bis 1988 durchgeführt. Es wurden die Protokolle des Staatlichen Versicherungsinstituts benutzt, die Angaben für Raubüberfälle von Wölfen auf Haustiere beinhalten (Tabelle 1). Außerdem wurden Angaben über die während dieser Zeitspanne erlegten Wölfe zusammengefaßt. Die Abschußzahlen lauten: 1984 – 163, 1985 – 147, 1986 – 179, 1987 – 211 und 1988 – 220 Tiere. Die Anzahl der in den einzelnen Gebirgen lebenden Wölfe wurde nach einer Umfrage festgestellt. Für die in Betracht kommenden Gebirge werden folgende Bestandszahlen angenommen: Rhodopen -- 60-80 Individuen, 189 bis 264 km2 pro Tier, Rila- und Piringebirge -- 60-80 Tiere, 109 bis 145 km2 pro Tier, Ossogowo-Belassiza Gebirgssystem -- 40-50 Individuen, 57-70 km2 pro Tier, West- und Mittelbalkan -- 35-38 Wölfe, 200 km2 pro Tier. Dazu kommen noch 10-15 Wölfe im Flußbecken von Beli Lom und etwa 20 Exemplare in Strandscha- und Sakargebirge. Insgesamt lebten in Bulgarien im Jahre 1988 etwa 260-330 Wölfe (Abb. 1). |
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Edition |
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| ISSN |
1439-0574 |
ISBN |
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no |
| Call Number |
Equine Behaviour @ team @ Genov1993 |
Serial |
6686 |
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| Author |
Mori, E.; Benatti, L.; Lovari, S.; Ferretti, F. |
| Title |
What does the wild boar mean to the wolf? |
Type |
Journal Article |
| Year |
2016 |
Publication |
European Journal of Wildlife Research |
Abbreviated Journal |
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| Volume |
63 |
Issue |
1 |
Pages |
9 |
| Keywords |
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| Abstract |
Generalist predators are expected to shape their diets according to the local availability of prey species. In turn, the extent of consumption of a prey would be influenced by the number of alternative prey species. We have tested this prediction by considering the wild boar and the grey wolf: two widespread species whose distribution ranges overlap largely in Southern Europe, e.g. in Italy. We have reviewed 16 studies from a total of 21 study areas, to assess whether the absolute frequency of occurrence of wild boar in the wolf diet was influenced by (i) occurrence of the other ungulate species in diet and (ii) the number of available ungulate species. Wild boar turned out to be the main prey of the wolf (49% occurrence, on average), followed by roe deer (24%) and livestock (18%). Occurrence of wild boar in the wolf diet decreased with increasing usage of roe deer, livestock, and to a lower extent, chamois and red deer. The number of prey species did not influence the occurrence of wild boar in the wolf diet. The wild boar is a gregarious, noisy and often locally abundant ungulate, thus easily detectable, to a predator. In turn, the extent of predation on this ungulate may not be influenced so much by the availability of other potential prey. Heavy artificial reductions of wild boar numbers, e.g. through numerical control, may concentrate predation by wolves on alternative prey (e.g. roe deer) and/or livestock, thus increasing conflicts with human activities. |
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Edition |
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| ISSN |
1439-0574 |
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no |
| Call Number |
Equine Behaviour @ team @ Mori2016 |
Serial |
6689 |
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| Author |
Becker-Birck, M.; Schmidt, A.; Wulf, M.; Aurich, J.; von der Wense, A.; Möstl, E.; Berz, R.; Aurich, C. |
| Title |
Cortisol release, heart rate and heart rate variability, and superficial body temperature, in horses lunged either with hyperflexion of the neck or with an extended head and neck position |
Type |
Journal Article |
| Year |
2013 |
Publication |
Journal of Animal Physiology and Animal Nutrition |
Abbreviated Journal |
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| Volume |
97 |
Issue |
2 |
Pages |
322-330 |
| Keywords |
animal welfare; equitation; stress; training |
| Abstract |
Bringing the head and neck of ridden horses into a position of hyperflexion is widely used in equestrian sports. In our study, the hypothesis was tested that hyperflexion is an acute stressor for horses. Salivary cortisol concentrations, heart rate, heart rate variability (HRV) and superficial body temperature were determined in horses (n = 16) lunged on two subsequent days. The head and neck of the horse was fixed with side reins in a position allowing forward extension on day A and fixed in hyperflexion on day B. The order of treatments alternated between horses. In response to lunging, cortisol concentration increased (day A from 0.73 ± 0.06 to 1.41 ± 0.13 ng/ml, p < 0.001; day B from 0.68 ± 0.07 to 1.38 ± 0.13 ng/ml, p < 0.001) but did not differ between days A and B. Beat-to-beat (RR) interval decreased in response to lunging on both days. HRV variables standard deviation of RR interval (SDRR) and RMSSD (root mean square of successive RR differences) decreased (p < 0.001) but did not differ between days. In the cranial region of the neck, the difference between maximum and minimum temperature was increased in hyperflexion (p < 0.01). In conclusion, physiological parameters do not indicate an acute stress response to hyperflexion of the head alone in horses lunged at moderate speed and not touched with the whip. However, if hyperflexion is combined with active intervention of a rider, a stressful experience for the horse cannot be excluded. |
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Blackwell Publishing Ltd |
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Edition |
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| ISSN |
1439-0396 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6182 |
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| Author |
Briard, L.; Dorn, C.; Petit, O. |
| Title |
Personality and Affinities Play a Key Role in the Organisation of Collective Movements in a Group of Domestic Horses |
Type |
Journal Article |
| Year |
2015 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
| Volume |
121 |
Issue |
9 |
Pages |
888-902 |
| Keywords |
decision-making; equids; hierarchy; leadership; social network |
| Abstract |
Understanding how groups of individuals with different motives come to daily decisions about the exploitation of their environment is a key question in animal behaviour. While interindividual differences are often seen only as a threat to group cohesion, growing evidence shows that they may to some extent facilitate effective collective action. Recent studies suggest that personality differences influence how individuals are attracted to conspecifics and affect their behaviour as an initiator or a follower. However, most of the existing studies are limited to a few taxa, mainly social fish and arthropods. Horses are social herbivores that live in long-lasting groups and show identifiable personality differences between individuals. We studied a group of 38 individuals living in a 30-ha hilly pasture. Over 200 h, we sought to identify how far individual differences such as personality and affinity distribution affect the dynamic of their collective movements. First, we report that individuals distribute their relationships according to similar personality and hierarchical rank. This is the first study that demonstrates a positive assortment between unrelated individuals according to personality in a mammal species. Second, we measured individual propensity to initiate and found that bold individuals initiated more often than shy individuals. However, their success in terms of number of followers and joining duration did not depend on their individual characteristics. Moreover, joining process is influenced by social network, with preferred partners following each other and bolder individuals being located more often at the front of the movement. Our results illustrate the importance of taking into account interindividual behavioural differences in studies of social behaviours. |
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| ISSN |
1439-0310 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6153 |
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| Author |
Sasväri, L. |
| Title |
Different Observational Learning Capacity in Juvenile and Adult Individuals of Congeneric Bird Species |
Type |
Journal Article |
| Year |
1985 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
| Volume |
69 |
Issue |
4 |
Pages |
293-304 |
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| Abstract |
Abstract and Summary: Since the adaptive significance of social organization is emphasized diversely in both anti-predator behaviour and food searching of birds, measures and comparisons of observational learning capacity of various species are needed. Four different experimental situations were built up for juvenile and adult individuals of tits (Parus major, P. caeruleus, P. palustris) and thrushes (Turdus merula, T. philo-melos). The birds learn more easily from conspecifics and learn easily when they already know a previous problem solving situation. The capacity of observational learning of the adult great tits surpasses that of adult blue tits and marsh tits, and that of the adult blackbirds exceeds that of the adult songthrushes. The higher performance of the great tit and blackbird can be related to their greater hemispheric index. The differences in the learning capacity of the naive individuals of the three tit species and that of the two thrush species were not significant. It is suggested, that the higher observational learning of the great tit and blackbird is evolved through maturational processes and can be reflected by their greater adaptability. Zusammenfassung: Lernen durch Nachahmung wurde in vier verschiedenen Situationen mit jungen und alten Individuen von Meisen- (Parus major, P. caeruleus, P. palustris) und Drosselarten (Turdus merula, T. philomelos) untersucht. Die Vögel lernten besser von Artgenossen und lernten leicht, wenn sie vorher bereits eine Problemlösungssituation kannten. Die Lernfähigkeit (durch Nachahmung) alter Kohlmeisen übertraf die alter Blau- und Sumpfmeisen; die Lernfähigkeit alter Amseln übertraf die alter Singdrosseln. Die höhere Leistung der Kohlmeisen und Amseln hängt mit ihrem höheren Hemisphären-Index zusammen. Naive Individuen der Meisen- und Drosselarten zeigten keine signifikanten Unterschiede in ihrer Lernfähigkeit. Es ist anzunehmen, daß die höhere Lernfähigkeit der Kohlmeise und der Amsel im Laufe der Entwicklung durch Reifungsprozesse zustande kommt und sich in ihrer höheren Anpassungsfähig-keit widerspiegelt. |
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Blackwell Publishing Ltd |
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1439-0310 |
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no |
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Equine Behaviour @ team @ |
Serial |
6169 |
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| Author |
Bílá, K.; Beránková, J.; Veselý, P.; Bugnyar, T.; Schwab, C. |
| Title |
Responses of urban crows to con- and hetero-specific alarm calls in predator and non-predator zoo enclosures |
Type |
Journal Article |
| Year |
2017 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
20 |
Issue |
1 |
Pages |
43-51 |
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| Abstract |
Urban animals and birds in particular are able to cope with diverse novel threats in a city environment such as avoiding novel, unfamiliar predators. Predator avoidance often includes alarm signals that can be used also by hetero-specifics, which is mainly the case in mixed-species flocks. It can also occur when species do not form flocks but co-occur together. In this study we tested whether urban crows use alarm calls of conspecifics and hetero-specifics (jackdaws, Corvus monedula) differently in a predator and a non-predator context with partly novel and unfamiliar zoo animal species. Birds were tested at the Tiergarten Schönbrunn in the city of Vienna by playing back con- and hetero-specific alarm calls and control stimuli (great tit song and no stimuli) at predator (wolf, polar bear) and non-predator (eland antelope and cranes, peccaries) enclosures. We recorded responses of crows as the percentage of birds flying away after hearing the playback (out of those present before the playback) and as the number of vocalizations given by the present birds. A significantly higher percentage of crows flew away after hearing either con- or hetero-specific alarm calls, but it did not significantly differ between the predator and the non-predator context. Crows treated jackdaw calls just as crow calls, indicating that they make proper use of hetero-specific alarm calls. Responding similarly in both contexts may suggest that the crows were uncertain about the threat a particular zoo animal represents and were generally cautious. In the predator context, however, a high percentage of crows also flew away upon hearing the great tit control song which suggests that they may still evaluate those species which occasionally killed crows as more dangerous and respond to any conspicuous sound. |
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Edition |
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| ISSN |
1435-9456 |
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no |
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Equine Behaviour @ team @ Bílá2017 |
Serial |
6159 |
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