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| Author | Houpt, K.; Marrow, M.; Seeliger, M. | ||||
| Title | A preliminary study of the effect of music on equine behavior | Type | Journal Article | ||
| Year | 2000 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
| Volume | 20 | Issue | 11 | Pages | 691-737 |
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| ISSN | 0737-0806 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6633 | ||
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| Author | Rendall, D.; Cheney, D.L.; Seyfarth, R.M. | ||||
| Title | Proximate factors mediating “contact” calls in adult female baboons (Papio cynocephalus ursinus) and their infants | Type | Journal Article | ||
| Year | 2000 | Publication | Journal of comparative psychology (Washington, D.C. : 1983) | Abbreviated Journal | J Comp Psychol |
| Volume | 114 | Issue | 1 | Pages | 36-46 |
| Keywords | Animals; Animals, Wild; Botswana; Female; *Maternal Behavior; Motivation; Orientation; Papio/*psychology; Social Environment; Sound Spectrography; *Vocalization, Animal | ||||
| Abstract |
“Contact” calls are widespread in social mammals and birds, but the proximate factors that motivate call production and mediate their contact function remain poorly specified. Field study of chacma baboons (Papio cynocephalus ursinus) revealed that contact barks in adult females were motivated by separation both from the group at large and from their dependent infants. A variety of social and ecological factors affect the probability of separation from either one or both. Results of simultaneous observations and a playback experiment indicate that the contact function of calling between mothers and infants was mediated by occasional maternal retrieval rather than coordinated call exchange. Mothers recognized the contact barks of their own infants and often were strongly motivated to locate them. However, mothers did not produce contact barks in reply unless they themselves were at risk of becoming separated from the group. | ||||
| Address | Department of Psychology, University of Pennsylvania, USA. d.rendall@uleth.ca | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0735-7036 | ISBN | Medium | ||
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| Notes | PMID:10739310 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 695 | ||
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| Author | Cassinello, J.; Pieters, I. | ||||
| Title | Multi-male captive groups of endangered dama gazelle: Social rank, aggression, and enclosure effects | Type | Journal Article | ||
| Year | 2000 | Publication | Zoo Biology | Abbreviated Journal | Zoo Biol. |
| Volume | 19 | Issue | 2 | Pages | 121-129 |
| Keywords | stress; ungulates; zoos | ||||
| Abstract |
A study carried out in four multi-male groups of captive dama gazelle (Gazella dama mhorr) characterized the social rank order of males and possible enclosure effects on aggression rate. A strong relationship between rank and age was found. The results also showed that dominant individuals in the two smallest enclosures were more aggressive than their herdmates, suggesting a more stressful environment, which might precipitate unstable or challenged hierarchies when the animals live in a more restricted enclosure. Subordinate males performed submissive responses at a higher frequency, irrespective of the size of the enclosure. The frequency of interactions between the gazelles, on the other hand, was affected by enclosure size, since high-ranking males showed higher values than low-ranking males in the two smallest enclosures. Frequencies of aggressive acts, retreats, and related interactions were similar in all the herds. Implications for the management of the species in captivity are discussed. Zoo Biol 19:121–129, 2000. © 2000 Wiley-Liss, Inc. | ||||
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| Publisher | John Wiley & Sons, Inc. | Place of Publication | Editor | ||
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| ISSN | 1098-2361 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5476 | ||
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| Author | Müller, A. E.; Thalmann, U. | ||||
| Title | Origin and evolution of primate social organisation: a reconstruction | Type | Journal Article | ||
| Year | 2000 | Publication | Biological Reviews | Abbreviated Journal | |
| Volume | 75 | Issue | Pages | 405-435 | |
| Keywords | social organisation; evolution; ancestral primate; strepsirhines; nocturnal prosimians; lemurs; lorisiforms; dispersed multi-male system; promiscuity. | ||||
| Abstract |
Abstract The evolution and origin of primate social organisation has attracted the attention of many researchers, and a solitary pattern, believed to be present in most nocturnal prosimians, has been generally considered as the most primitive system. Nocturnal prosimians are in fact mostly seen alone during their nightly activities and therefore termed “solitary foragers”, but that does not mean that they are not social. Moreover, designating their social organisation as “solitary”, implies that their way of life is uniform in all species. It has, however, emerged over the last decades that all of them exhibit not only some kind of social network but also that those networks differ among species. There is a need to classify these social networks in the same manner as with group-living (gregarious) animals if we wish to link up the different forms of primate social organisation with ecological, morphological or phylogenetic variables. In this review, we establish a basic classification based on spatial relations and sociality in order to describe and cope properly with the social organisation patterns of the different species of nocturnal prosimians and other mammals that do not forage in cohesive groups. In attempting to trace the ancestral pattern of primate social organisation, the Malagasy mouse and dwarf lemurs and the Afro-Asian bushbabies and lorises are of special interest because they are thought to approach the ancestral conditions most closely. These species have generally been believed to exhibit a dispersed harem system as their pattern of social organisation (“dispersed” means that individuals forage solitarily but exhibit a social network). Therefore, the ancestral pattern of primate social organisation was inferred to be a dispersed harem. In fact, new field data on cheirogaleids combined with a review of patterns of social organisation in strepsirhines (lemurs, bushbabies and lorises) revealed that they exhibit either dispersed multi-male systems or dispersed monogamy rather than a dispersed harem system. Therefore, the concept of a dispersed harem system as the ancestral condition of primate social organisation can no longer be supported. In combination with data on social organisation patterns in “primitive” placentals and marsupials, and in monotremes, it is in fact most probable that promiscuity is the ancestral pattern for mammalian social organisation. Subsequently, a dispersed multi-male system derived from promiscuity should be regarded as the ancestral condition for primates. We further suggest that the gregarious patterns of social organisation in Aotus and Avahi, and the dispersed form in Tarsius evolved from the gregarious patterns of diurnal primates rather than from the dispersed nocturnal type. It is consequently proposed that, in addition to Aotus and Tarsius, Avahi is also secondarily nocturnal. |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4257 | ||
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| Author | Weeks, J.W.; Crowell-Davis, S.L.; Caudle, A.B.; Heusner, G.L. | ||||
| Title | Aggression and social spacing in light horse (Equus caballus) mares and foals | Type | Journal Article | ||
| Year | 2000 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Appl. Anim. Behav. Sci. |
| Volume | 68 | Issue | 4 | Pages | 319-337 |
| Keywords | Dominance relationships; Horse; Sex differences; Social ontogeny; aggregation; parent-offspring interaction; social behavior | ||||
| Abstract |
Aggression and social spacing were studied in 14 light horse mares and their foals living at pasture. Focal samples were collected on each mare-foal dyad for 6 to 10.5 h from 2 months of foal age until weaning at approximately 4 months of age. Observations on foals continued until approximately 6 months of age for 7.5 to 10.5 h per foal. Every 2 min the identities of all individuals within 5 m were recorded. All occurrences of agonistic behavior, and the participants, were recorded during the focal samples. In addition, during feeding of supplemental grain, all occurrences of agonistic behavior by all subjects were recorded. Significant correlations were found between mare rank and the rank of foals both prior to and after weaning. Before weaning, the rank of the foal was significantly correlated with birth order. No significant correlation between birth order and foal rank was found for the post-weaning hierarchy. An animal's gender had no significant effect on foal rank or the choice of preferred associate. Both prior to and after weaning, foals associated preferentially with the foal of their dam's most preferred associate. In addition, significant positive correlations were found between rank of mares and foals and the rate at which they directed aggression to other herd members. (C) 2000 Elsevier Science B.V. | ||||
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| Notes | Cited By (since 1996): 7; Export Date: 21 April 2007; Source: Scopus | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 788 | ||
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| Author | Linklater, W.L.; Henderson, K.M.; Cameron, E.Z.; Stafford, K.J.; Minot, E.O. | ||||
| Title | The robustness of faecal steroid determination for pregnancy testing Kaimanawa feral mares under field conditions | Type | Journal Article | ||
| Year | 2000 | Publication | New Zealand veterinary journal | Abbreviated Journal | N Z Vet J |
| Volume | 48 | Issue | 4 | Pages | 93-98 |
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AIMS: To investigate the utility of faecal oestrone sulphate (OS) concentrations for detecting pregnancy in mares during behavioural studies of feral horses, in which the collection and preservation of samples is not immediate. METHODS: Oestrone sulphate concentrations were measured in fresh dung samples collected from 153 free-roaming Kaimanawa mares throughout the year. In addition, multiple samples were taken from the same pile to investigate the reliability of diagnosis from a single sample, as well as the influence of time until preservation on OS concentrations. Samples were also taken before and after a 10mm simulated rainfall event to test for dilution of OS concentrations by rain. Oestrone sulphate concentrations in all samples were measured using an enzyme immunoassay. RESULTS: From approximately 150 to 250 days of gestation, OS concentrations were consistently >80 ng/g in mares which subsequently foaled. Mares which did not foal and had low faecal OS concentrations in multiple samples throughout the year had faecal OS concentrations of 31+/-13 ng/g (mean+/-s.d.) with an upper 95% confidence limit of 57 ng/g. Mares sampled from 1 week before to 1 month after behavioural oestrus, and that did not foal in the previous and subsequent seasons, had OS concentrations of 37+/-32 ng/g (mean+/-s.d.) with an upper 95% confidence limit of 100 ng/g. The standard error of oestrone sulphate concentrations in multiple samples from the same dung pile ranged from 1 to 37% of the mean. This large within-pile variation, however, did not result in incorrect diagnoses from single samples unless mares were within 18 days of parturition. Keeping samples at ambient temperatures for up to 16 hours did not affect OS concentrations. Simulated rainfall caused a 17% mean reduction in OS concentrations, but did not change pregnancy diagnoses. CONCLUSIONS: Faecal OS concentrations >100 ng/g were indicative of pregnancy in Kaimanawa mares. For mares more than 150 days post-mating, OS concentrations <57 ng/g were indicative of non-pregnancy, while concentrations between 57 and 100 ng/g provided an inconclusive diagnosis. A single sample from each dung pile collected within 16 hours of defecation was sufficient to accurately diagnose pregnancy in mares 150-250 days post conception. CLINICAL RELEVANCE: Measurement of OS concentrations in dung samples was a reliable and robust indicator of pregnancy status in feral mares 150-250 days post mating. This corresponds approximately to the period from May to August, given the seasonal breeding pattern in this population. This method of determining pregnancy status is suitable for field use in behavioural and demographic studies of wild horse populations. | ||||
| Address | Ecology Group, Institute of Natural Resources, Massey University, Private Bag 11-222, Palmerston North, New Zealand. wlinklater@hotmail.com | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0048-0169 | ISBN | Medium | ||
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| Notes | PMID:16032132 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 411 | ||
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| Author | Morton, D.B. | ||||
| Title | Self-consciousness and animal suffering | Type | Journal Article | ||
| Year | 2000 | Publication | Biologist (London, England) | Abbreviated Journal | Biologist (London) |
| Volume | 47 | Issue | 2 | Pages | 77-80 |
| Keywords | Animal Population Groups/*psychology; Animal Welfare/*standards; Animals; Behavior, Animal; *Consciousness; Dogs; *Ego; Horses/psychology; Pain/psychology/*veterinary; Pan troglodytes/psychology; Parrots; Pongo pygmaeus/psychology; Self Concept | ||||
| Abstract |
Animals with relatively highly developed brains are likely to experience some degree of self-awareness and the ability to think. As well as being interesting in its own right, self-consciousness matters from an ethical point of view, since it can give rise to forms of suffering above and beyond the immediate physical sensations of pain or distress. This article surveys the evidence for animal self-consciousness and its implications for animal welfare. | ||||
| Address | Division of Primary Care, Public and Occupational Health, School of Medicine, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. d.b.morton@bham.ac.uk | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0006-3347 | ISBN | Medium | ||
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| Notes | PMID:11190233 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 618 | ||
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| Author | B. Agnetta,; B. Hare,; M. Tomasello, | ||||
| Title | Cues to food location that domestic dogs (Canis familiaris) of different ages do and do not use | Type | Journal Article | ||
| Year | 2000 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
| Volume | 3 | Issue | 2 | Pages | 107-112 |
| Keywords | Dogs – Arctic wolves – Social cognition – Gaze following – Communication | ||||
| Abstract |
Autoren B. Agnetta, B. Hare, M. Tomasello Zusammenfassung The results of three experiments are reported. In the main study, a human experimenter presented domestic dogs (Canis familiaris) with a variety of social cues intended to indicate the location of hidden food. The novel findings of this study were: (1) dogs were able to use successfully several totally novel cues in which they watched a human place a marker in front of the target location; (2) dogs were unable to use the marker by itself with no behavioral cues (suggesting that some form of human behavior directed to the target location was a necessary part of the cue); and (3) there were no significant developments in dogs' skills in these tasks across the age range 4 months to 4 years (arguing against the necessity of extensive learning experiences with humans). In a follow-up study, dogs did not follow human gaze into “empty space” outside of the simulated foraging context. Finally, in a small pilot study, two arctic wolves (Canis lupus) were unable to use human cues to locate hidden food. These results suggest the possibility that domestic dogs have evolved an adaptive specialization for using human-produced directional cues in a goal-directed (especially foraging) context. Exactly how they understand these cues is still an open question. Schlüsselwörter Key words Dogs – Arctic wolves – Social cognition – Gaze following – Communication |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 598 | ||
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| Author | Mrabet, O.; Es-Salah, Z.; Telhiq, A.; Aubert, A.; Liege, S.; Choulli, K.; Neveu, P.J. | ||||
| Title | Influence of gender and behavioural lateralisation on two exploratory models of anxiety in C3H mice | Type | Journal Article | ||
| Year | 2000 | Publication | Abbreviated Journal | Behav Processes | |
| Volume | 52 | Issue | 1 | Pages | 35-42 |
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Behavioural lateralisation, which has been postulated to be an individual personality trait, is related to the activity of various physiological systems including the immune system. As lateralisation has been related to anxiety, which is known to influence immune reactivity, it can be hypothesized that the relation between lateralisation and immune reactivity involves individual behavioural patterns as they appear in exploratory-based anxiety models. In order to answer this question, a behavioural investigation focussing on exploratory activity was undertaken in male and female C3H mice previously selected for their paw preference. The observations were performed using two generic paradigms: elevated plus-maze and open field. Exploratory behaviour in the open field, but not in the plus-maze, was influenced by the interactive effect of gender and behavioural lateralisation. A significant difference between male and female mice was found in left-pawed but not in right-pawed nor ambidextrous animals, left-pawed female mice displaying the less exploratory behaviours. These results provide a first evidence of inter-individual variations in exploratory behaviours involving interaction between gender and lateralisation. | ||||
| Address | U.F.R. des Sciences Biologiques et Pharmaceutiques, Departement de Biologie, Faculte des Sciences, Universite Ibn Tofail, Kenitra, Morocco | ||||
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| ISSN | 0376-6357 | ISBN | Medium | ||
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| Notes | PMID:11011107 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4149 | ||
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| Author | Connor, R.C.; Wells, R.S.; Mann, J.; Read,A.J. | ||||
| Title | The bottlenose dolphin: Social relationships in a fission-fusion society. | Type | Book Chapter | ||
| Year | 2000 | Publication | Cetacean Societies: Field Studies of Dolphins and Whales. | Abbreviated Journal | |
| Volume | Issue | Pages | 91-126 | ||
| Keywords | cetacean social behavior, male alliance formation, most cetacean species, platanistid river dolphins, cetacean sociality, strategies and social bonds, female cetaceans, many cetologists, most mysticetes, sperm whale calves, passive fishing nets, variant whistles, historical whaling records, cetacean systematics, stable matrilineal groups, peak calving season, suction cup tags, mutualistic groups, cetacean vocalizations, focal animal studies, larger odontocetes, predictive signaling, individual cetaceans, sperm whale clicks, resident killer whales | ||||
| Abstract |
Book Description “Part review, part testament to extraordinary dedication, and part call to get involved, Cetacean Societies highlights the achievements of behavioral ecologists inspired by the challenges of cetaceans and committed to the exploration of a new world.”-from the preface by Richard Wrangham Long-lived, slow to reproduce, and often hidden beneath the water's surface, whales and dolphins (cetaceans) have remained elusive subjects for scientific study even though they have fascinated humans for centuries. Until recently, much of what we knew about cetaceans came from commercial sources such as whalers and trainers for dolphin acts. Innovative research methods and persistent efforts, however, have begun to penetrate the depths to reveal tantalizing glimpses of the lives of these mammals in their natural habitats. Cetacean Societies presents the first comprehensive synthesis and review of these new studies. Groups of chapters focus on the history of cetacean behavioral research and methodology; state-of-the-art reviews of information on four of the most-studied species: bottlenose dolphins, killer whales, sperm whales, and humpback whales; and summaries of major topics, including group living, male and female reproductive strategies, communication, and conservation drawn from comparative research on a wide range of species. Written by some of the world's leading cetacean scientists, this landmark volume will benefit not just students of cetology but also researchers in other areas of behavioral and conservation ecology as well as anyone with a serious interest in the world of whales and dolphins. Contributors are Robin Baird, Phillip Clapham, Jenny Christal, Richard Connor, Janet Mann, Andrew Read, Randall Reeves, Amy Samuels, Peter Tyack, Linda Weilgart, Hal Whitehead, Randall S. Wells, and Richard Wrangham. |
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| Publisher | University of Chicago Press | Place of Publication | Chicago | Editor | Mann, J.;Connor, R.C.; Tyack, P.L.;Whitehead, H. |
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| ISSN | ISBN | 978-0226503417 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4427 | ||
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