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Range, F.; Möslinger, H.; Virányi, Z. |
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Domestication has not affected the understanding of means-end connections in dogs |
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2012 |
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Anim Cogn |
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15 |
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Equine Behaviour @ team @ Range2012 |
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6322 |
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Author |
Primack, R.B. |
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Title |
Essentials of conservation biology |
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2010 |
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Equine Behaviour @ team @ Primack2010 |
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6444 |
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Author |
Price, E.O. |
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Title |
Behavioral aspects of animal domestication |
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1984 |
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Q Rev Biol |
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59 |
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Equine Behaviour @ team @ Price1984 |
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6239 |
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Plumer, L.; Talvi, T.; Männil, P.; Saarma, U. |
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Title |
Assessing the roles of wolves and dogs in livestock predation with suggestions for mitigating human-wildlife conflict and conservation of wolves |
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2018 |
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Conservation Genetics |
Abbreviated Journal |
Conservat. Genet. |
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19 |
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3 |
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665-672 |
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Predation on livestock is a cause of serious and long-lasting conflict between farmers and wildlife, promoting negative public attitudes and endangering conservation of large carnivores. However, while large carnivores, especially the grey wolf (Canis lupus), are often blamed for killing sheep and other farm animals, free-ranging dogs may also act as predators. To develop appropriate measures for livestock protection, reliable methods for identifying predator species are critical. Identification of predators from visual examination of livestock wounds can be ambiguous and genetic analysis is strongly preferable for accurate species determination. To estimate the proportion of wolves and dogs implicated in sheep predation, we developed a sensitive genetic assay to distinguish between wolves and domestic dogs. A total of 183 predator saliva samples collected from killed sheep in Estonia were analysed. The assay identified the predator species in 143 cases (78%). Sheep were most often killed by wolves (81%); however, predation by dogs was substantial (15%). We compared the molecular results with field observations conducted by local environmental officials and recorded some disagreement, with the latter underestimating the role of dogs. As predator saliva samples collected from prey are often of poor quality, we suggest using mitochondrial DNA as a primary tool to maximise the number of successfully analysed samples. We also suggest adopting forensic DNA analysis more widely in livestock predation assessments as a legislative measure since misidentification that is biased against wolves can be counterproductive for conservation by enhancing conflict with society and leading to increased culling and poaching. |
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1572-9737 |
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Equine Behaviour @ team @ Plumer2018 |
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6509 |
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Author |
Pimlott, D.H. |
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The use of tape-recorded wolf howls to locate timber wolves |
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1960 |
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Twenty-second Midwest Wildlife Congress |
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Toronto |
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Equine Behaviour @ team @ Pimlott1960 |
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6454 |
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Peters, G.; Tembrock, G. |
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Subharmonics, biphonation, and deterministic chaos in mammal vocalizations |
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1998 |
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Bioacoustics |
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9 |
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Equine Behaviour @ team @ Peters1998 |
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6483 |
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Author |
Pérez-Barbería, F.J.; Shultz, S.; Dunbar, R.I. |
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Title |
Evidence for coevolution of sociality and relative brain size in three orders of mammals |
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2007 |
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Evolution |
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61 |
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Equine Behaviour @ team @ Pérez-Barbería2007 |
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6221 |
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Pérez-Barbería, F.J.; Gordon, I.J. |
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Title |
Gregariousness increases brain size in ungulates |
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2005 |
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Oecologia |
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145 |
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Equine Behaviour @ team @ Pérez-Barbería2005 |
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6258 |
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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 |
Pages |
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 |
Passilongo, D.; Mattioli, L.; Bassi, E.; Szabó, L.; Apollonio, M. |
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Title |
Visualizing sound: counting wolves by using a spectral view of the chorus howling |
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2015 |
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Frontiers in Zoology |
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Front. Zool. |
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12 |
Issue |
1 |
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22 |
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Abstract |
Monitoring large carnivores is a central issue in conservation biology. The wolf (Canis lupus) is the most studied large carnivore in the world. After a massive decline and several local extinctions, mostly due to direct persecutions, wolves are now recolonizing many areas of their historical natural range. One of the main monitoring techniques is the howling survey, which is based on the wolves' tendency to use vocalisations to mark territory ownership in response to howls of unknown individuals. In most cases wolf howling sessions are useful for the localisation of the pack, but they provide only an aural estimation of the chorus size. |
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1742-9994 |
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Equine Behaviour @ team @ Passilongo2015 |
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6498 |
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