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- W2012162570 abstract "Prey consumption forms a large part of prey-handling time, and knowledge of where prey is ingested can inform management of predator–prey systems. Safeguarding habitats that promote prey consumption could enhance populations of facultative or obligate carnivores of conservation concern. We investigated habitat characteristics at 124 sites where radiocollared adult grizzly bears, Ursus arctos (N = 9) consumed ungulates, and we contrasted these sites with paired random sites. We developed a priori models incorporating the potential effects of ungulate and plant food distribution as well as risks of detection by humans and other carnivores on consumption site choice, and evaluated which factors best explain grizzly bear food-caching behaviour. Ungulates were consumed in forested areas, close to edges, and where horizontal cover was high, whereby vegetation impeded visibility of the ungulate carcass. Distance to roads had no effect on the distribution of prey consumption sites, but carcasses were further from trails than expected. Models incorporating presence/absence of key non-ungulate bear foods had little weight of evidence (wi ≤ 0.01). Food-caching behaviour did not appear to be related to variation in resource availability or risk of food spoilage but was significantly influenced by prey size. Although bears chose sites that minimized detection risk, spent more time at larger carcasses and cached 75.9% of ungulates, 50% of consumption sites had other carnivore sign, which was more likely to be present at large carcasses." @default.
- W2012162570 created "2016-06-24" @default.
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- W2012162570 date "2014-06-01" @default.
- W2012162570 modified "2023-10-17" @default.
- W2012162570 title "Grizzly bear ungulate consumption and the relevance of prey size to caching and meat sharing" @default.
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- W2012162570 doi "https://doi.org/10.1016/j.anbehav.2014.03.020" @default.
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