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Jarausch, A.; Harms, V.; Kluth, G.; Reinhardt, I.; Nowak, C. |
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Title |
How the west was won: genetic reconstruction of rapid wolf recolonization into Germany's anthropogenic landscapes |
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2021 |
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Following massive persecution and eradication, strict legal protection facilitated a successful reestablishment of wolf packs in Germany, which has been ongoing since 2000. Here, we describe this recolonization process by mitochondrial DNA control-region sequencing, microsatellite genotyping and sex identification based on 1341 mostly non-invasively collected samples. We reconstructed the genealogy of German wolf packs between 2005 and 2015 to provide information on trends in genetic diversity, dispersal patterns and pack dynamics during the early expansion process. Our results indicate signs of a founder effect at the start of the recolonization. Genetic diversity in German wolves is moderate compared to other European wolf populations. Although dispersal among packs is male-biased in the sense that females are more philopatric, dispersal distances are similar between males and females once only dispersers are accounted for. Breeding with close relatives is regular and none of the six male wolves originating from the Italian/Alpine population reproduced. However, moderate genetic diversity and inbreeding levels of the recolonizing population are preserved by high sociality, dispersal among packs and several immigration events. Our results demonstrate an ongoing, rapid and natural wolf population expansion in an intensively used cultural landscape in Central Europe. |
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1365-2540 |
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Equine Behaviour @ team @ Jarausch2021 |
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6638 |
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Author |
Lim, M.M.; Young, L.J. |
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Neuropeptidergic regulation of affiliative behavior and social bonding in animals |
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2006 |
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Hormones and Behavior |
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Hormon. Behav. |
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50 |
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4 |
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506-517 |
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Vasopressin receptor; Oxytocin receptor; Social recognition; Social behavior; Pair bond; Autism; Neuropeptides |
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Social relationships are essential for maintaining human mental health, yet little is known about the brain mechanisms involved in the development and maintenance of social bonds. Animal models are powerful tools for investigating the neurobiological mechanisms regulating the cognitive processes leading to the development of social relationships and for potentially extending our understanding of the human condition. In this review, we discuss the roles of the neuropeptides oxytocin and vasopressin in the regulation of social bonding as well as related social behaviors which culminate in the formation of social relationships in animal models. The formation of social bonds is a hierarchical process involving social motivation and approach, the processing of social stimuli and formation of social memories, and the social attachment itself. Oxytocin and vasopressin have been implicated in each of these processes. Specifically, these peptides facilitate social affiliation and parental nurturing behavior, are essential for social recognition in rodents, and are involved in the formation of selective mother-infant bonds in sheep and pair bonds in monogamous voles. The convergence of evidence from these animal studies makes oxytocin and vasopressin attractive candidates for the neural modulation of human social relationships as well as potential therapeutic targets for the treatment of psychiatric disorders associated with disruptions in social behavior, including autism. |
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0018-506x |
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Equine Behaviour @ team @ |
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6416 |
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Passilongo, D.; Marchetto, M.; Apollonio, M. |
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Title |
Singing in a wolf chorus: structure and complexity of a multicomponent acoustic behaviour |
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Journal Article |
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2017 |
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Hystrix, the Italian Journal of Mammalogy |
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Hysterix |
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28 |
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2 |
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180-185 |
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Wolf choruses ( Canis lupus ) are complex, multicomponent signals, composed by a series of different vocalizations emitted by a pack. Although howls, the main component, have been highly studied, poor attention has been drawn upon the other vocalizations of the chorus. In this study, we investigate the structure of the chorus by means of the analysis and the quantification of the different components, taking advantage both of the digital sound recording and analysis, and of the modern statistical methodologies. We provide for the first time a detailed, objective description of the types of call emitted during the wolf howlings, combining spectrographic examinations, spectral analyses and automated classifications, with the aim to identify different types of call. Our results show that wolf choruses have a rich, complex structure, that reveals six other types of call, to be added to those howls already described in literature. Wolf choruses are typically composed by other three different types of calls: the bark, i.e. relatively long calls characterized by low frequencies and the presence of harsh components (deterministic chaos); the whimper, characterized by a harmonic structure and a very short duration; and the growl, a call with a noisy structure, low frequencies but relative long duration. Although further investigations are necessary to understand the meaning of the different calls, this research provides a basis for those studies that aim to compare wolves and other canids vocal behaviour. |
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0394-1914 |
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Equine Behaviour @ team @ Passilongo2017 |
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6441 |
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Author |
Krueger, K. (ed) |
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Title |
Proceedings of the International Equine Science Meeting 2008 |
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2008 |
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IESM 2008 |
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Equine Ecology; Equine Sociality; Equine Learning; Equine Cognition; Equine Welfare |
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Target group: Biologists, Psychologists, Veterinarians and Professionals
Meeting target: Because the last international meeting on Equine Science took place a couple years ago, there is an urgent need for equine scientists to exchange scientific knowledge, coordinate research provide knowledge for practical application, and discus research results among themselves and with professionals who work with horses. Additionally, dialog concerning the coordination of the study “Equitation Science” in Europe is urgently needed. Coordination and cooperation shall arise from the meeting, enrich the research, and advance the application of scientific knowledge for the horses` welfare. |
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Xenophon Verlag |
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Wald |
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Krueger, K. |
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English |
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978-3-9808134-0-2 |
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Equine Behaviour @ team @ |
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4508 |
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Author |
Houpt, K.A. |
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Title |
Equine behavior problems in relation to humane management |
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Year |
1981 |
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Int. J. Stud. Anim Prob. |
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Int. J. Stud. Anim. Prob. |
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2 |
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6 |
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329-337 |
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Cited By (since 1996): 7; Export Date: 21 October 2008 |
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Equine Behaviour @ team @ |
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4521 |
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Kruska, D. |
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Mammalian domestication and its effect on brain structure and behavior |
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1988 |
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Intelligence and Evolutionary Biology |
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Springer-Verlag |
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New York |
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Jerison, H.J.; Jerison, I. |
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Equine Behaviour @ team @ Kruska1988 |
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6232 |
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Kuczaj, S. A; Makecha, R.; Trone, M.; Paulos, R. D; Ramos, J. A. |
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Role of Peers in Cultural Innovation and Cultural Transmission: Evidence from the Play of Dolphin Calves |
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2006 |
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International Journal of Comparative Psychology |
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Int. J. Comp. Psychol |
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19 |
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2 |
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223-240 |
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Equine Behaviour @ team @ |
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6526 |
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Burke, C.; Rashman, M.; Wich, S.; Symons, A.; Theron, C.; Longmore, S. |
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Optimizing observing strategies for monitoring animals using drone-mounted thermal infrared cameras |
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Journal Article |
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2019 |
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International Journal of Remote Sensing |
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International Journal of Remote Sensing |
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40 |
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2 |
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439-467 |
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ABSTRACTThe proliferation of relatively affordable off-the-shelf drones offers great opportunities for wildlife monitoring and conservation. Similarly the recent reduction in the cost of thermal infrared cameras also offers new promise in this field, as they have the advantage over conventional RGB cameras of being able to distinguish animals based on their body heat and being able to detect animals at night. However, the use of drone-mounted thermal infrared cameras comes with several technical challenges. In this article, we address some of these issues, namely thermal contrast problems due to heat from the ground, absorption and emission of thermal infrared radiation by the atmosphere, obscuration by vegetation, and optimizing the flying height of drones for a best balance between covering a large area and being able to accurately image and identify animals of interest. We demonstrate the application of these methods with a case study using field data and make the first ever detection of the critically endangered riverine rabbit (Bunolagus monticularis) in thermal infrared data. We provide a web-tool so that the community can easily apply these techniques to other studies (http://www.astro.ljmu.ac.uk/aricburk/uav_calc/). |
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Taylor & Francis |
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0143-1161 |
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doi: 10.1080/01431161.2018.1558372 |
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Equine Behaviour @ team @ |
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6528 |
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Blanco, J.C.; Yolanda, C. |
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Surveying wolves without snow: a critical review of the methods used in Spain. Hystrix |
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2012 |
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Ital J Mammal |
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23 |
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Equine Behaviour @ team @ Blanco2012 |
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6460 |
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Author |
Gazzola, A.; Avanzinelli, E.; Mauri, L.; Scandura, M.; Apollonio, M. |
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Temporal changes of howling in south European wolf packs |
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2002 |
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Ital J Zool |
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69 |
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Equine Behaviour @ team @ Gazzola2002 |
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6495 |
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