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Stenglein, J.L.; Waits, L.P.; Ausband, D.E.; Zager, P.; Mack, C.M. |
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Estimating gray wolf pack size and family relationships using non invasive genetic sampling at rendezvous sites |
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2011 |
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J Mammal |
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92 |
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Equine Behaviour @ team @ Stenglein2011 |
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6476 |
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Myslajek, R.W.; Tracz, M.; Tracz, M.; Tomczak, P.; Szewczyk, M.; Niedzwiecka, N.; Nowak, S. |
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Spatial organization in wolves Canis lupus recolonizing north-west Poland: Large territories at low population density |
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2018 |
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Mammalian Biology |
Abbreviated Journal |
Mamm. Biol. |
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92 |
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37-44 |
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Wolf recovery; Spatial organization; GPS/GSM telemetry; Central European wolf population |
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Monitoring of the wolf Canis lupus is a demanding task as it lives in low densities, utilizes vast home ranges and disperses over large areas. These factors make obtaining accurate data about population parameters over the whole distribution area of the species impossible. Thus detailed local studies on socio-spatial organization are essential to calibrate information obtained over a larger area. We applied GPS/GSM telemetry, non-invasive genetic sampling, year-round tracking, camera trapping and howling stimulations to determine the number of family groups, population density and home-range sizes of wolves in the Drawa Forest (DF, western Poland, 2500 km2), an area recently recolonized by the species. Home ranges of three collared male wolves ranged from 321.8 to 420.6 km2 (MCP 100%) and from 187.5 to 277.5 km2 (Kernel 95%), but core areas had a size of 30.5-84.7 km2 (MCP50%) and 35.0-88.8 km2 (Kernel 50%). Mean near neighbour distance between centres of 6 tracked pack homesites was 15.3 km. The number of wolves in DF increased from 14 individuals in 2013/2014 to 30 in 2016/2017. The annual rate of increase varied from 43% in 2014/2015 to 7% in the final year. Population density for the whole study area was relatively low (1.2 indiv./100 km2 in 2016/2017), but densities within territories of two packs studied with telemetry were 1.9 and 1.5 indiv./100 km2. Mean pack size varied between 3.5 and 5.6 individuals, with the largest pack comprising 8 wolves. Mean number of pups observed in summers (June-August) was 4.5. Differences in home range sizes between wolves in western and eastern Poland indicate that results of regional studies cannot be freely extrapolated despite close genetic relationships. Thus, decisions related to management of wolf habitats should be based on intensive local studies. |
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1616-5047 |
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Equine Behaviour @ team @ |
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6503 |
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Griebenow, K.; Klibanov, A.M. |
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Title |
Lyophilization-induced reversible changes in the secondary structure of proteins |
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1995 |
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Proc Natl Acad Sci USA |
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92 |
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24 |
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10969-10976 |
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Changes in the secondary structure of some dozen different proteins upon lyophilization of their aqueous solutions have been investigated by means of Fourier-transform infrared spectroscopy in the amide III band region. Dehydration markedly (but reversibly) alters the secondary structure of all the proteins studied, as revealed by both the quantitative analysis of the second derivative spectra and the Gaussian curve fitting of the original infrared spectra. Lyophilization substantially increases the beta-sheet content and lowers the alpha-helix content of all proteins. In all but one case, proteins become more ordered upon lyophilization. |
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Equine Behaviour @ team @ |
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6519 |
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Pongrácz, P.; Miklósi, Á.; Vida, V.; Csányi, V. |
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The pet dogs ability for learning from a human demonstrator in a detour task is independent from the breed and age |
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2005 |
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Applied Animal Behaviour Science |
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Appl. Anim. Behav. Sci. |
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90 |
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3 |
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309-323 |
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Dog; Breed differences; Social learning |
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There are many indications and much practical knowledge about the different tasks which various breeds of dogs are selected for. Correspondingly these different breeds are known to possess different physical and mental abilities. We hypothesized that commonly kept breeds will show differences in their problem solving ability in a detour task around a V-shaped fence, and also, that breed differences will affect their learning ability from a human demonstrator, who demonstrates a detour around the fence. Subjects were recruited in Hungarian pet dog schools. We compared the results of the 10 most common breeds in our sample when they were tested in the detour task without human demonstration. There was no significant difference between the latencies of detour, however, there was a trend that German Shepherd dogs were the quickest and Giant Schnauzers were the slowest in this test. For testing the social learning ability of dogs we formed three breed groups (“utility”, “shepherd” and “hunting”). There were no significant differences between these, all the breed groups learned equally well from the human demonstrator. However, we found that dogs belonging to the “shepherd” group looked back more frequently to their owner than the dogs in the “hunting” group. Further, we have found that the age of pet dogs did not affect their social learning ability in the detour task. Our results showed that the pet status of a dog has probably a stronger effect on its cognitive performance and human related behaviour than its age or breed. These results emphasize that socialization and common activities with the dog might overcome the possible breed differences, if we give the dogs common problem solving, or social learning tasks. |
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0168-1591 |
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Equine Behaviour @ team @ |
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6584 |
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Goetsch, A.L.; Gipson, T.A.; Askar, A.R.; Puchala, R. |
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Feeding behavior of goats |
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2010 |
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J Anim Sci |
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88 |
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Equine Behaviour @ team @ Goetsch2010 |
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6254 |
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Dugnol, B.; Fernández, C.; Galiano, G.; Velasco, J. |
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On a chirplet transform-based method applied to separating and counting wolf howls |
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2008 |
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Signal Process |
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88 |
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Equine Behaviour @ team @ Dugnol2008 |
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6466 |
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Palacios, V.; Font, E.; Marquez, R. |
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Iberian wolf howls: acoustic structure, individual variation, and a comparison with North American populations |
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2007 |
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J Mammal |
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88 |
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Equine Behaviour @ team @ Palacios2007 |
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6469 |
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Healy, S.D.; Rowe, C. |
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Costs and benefits of evolving a larger brain: doubts over the evidence that large brains lead to better cognition |
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2013 |
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Anim Behav |
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86 |
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Equine Behaviour @ team @ Healy2013 |
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6317 |
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Stanley, C.R.; Dunbar, R.I.M. |
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Consistent social structure and optimal clique size revealed by social network analysis of feral goats, Capra hircus |
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2013 |
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Anim Behav |
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85 |
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Equine Behaviour @ team @ Stanley2013 |
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6253 |
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Nelson, X.J.; Fijn, N. |
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The use of visual media as a tool for investigating animal behaviour |
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2013 |
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Animal Behaviour |
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85 |
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3 |
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525-536 |
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citizen science; crowdsourcing; internet; online resource; opportunistic observation; 'people power'; playback study; preliminary testing; YouTube |
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In this essay we outline how video-related technology can be used as a tool for studying animal behaviour. We review particular aspects of novel, innovative animal behaviour uploaded by the general public via video-based media on the internet (using YouTube as a specific example). The behaviour of animals, particularly the play behaviour focused on here, is viewed by huge audiences. In this essay we focused on three different kinds of media clips: (1) interspecies play between dogs and a range of other species; (2) object play in horses; and (3) animal responses to stimuli presented on iPads, iPods and iPhones. We argue that the use of video is a good means of capturing uncommon or previously unknown behaviour, providing evidence that these behaviours occur. Furthermore, some of the behaviours featured on YouTube provide valuable insights for future directions in animal behaviour research. If we also take this opportunity to convey our knowledge to a public that seems to be fundamentally interested in animal behaviour, this is a good means of bridging the gap between knowledge among an academic few and the general public. |
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0003-3472 |
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Equine Behaviour @ team @ |
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6432 |
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