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2014 | 59 | 2 |
Tytuł artykułu

Prey refuges as predator hotspots: ocelot (Leopardus pardalis) attraction to agouti (Dasyprocta punctata) dens

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
We tested the hypothesis that prey refuges attract predators, leading to elevated predator activity in the vicinity of refuges. We used camera traps to determine whether the spatial activity of a predator, the ocelot (Leopardus pardalis), was biased toward refuge locations of its principal prey, the agouti (Dasyprocta punctata). We radio-tracked agoutis at night to locate active refuges and compared the activity of ocelots between these refuges and surrounding control grid locations. We found that ocelots visited the area near agouti refuges significantly more often and for longer periods of time than control locations, and that they actively investigated the refuge entrances. Both occupied and unoccupied refuges were visited, but the duration of inspection was longer at occupied refuges. As the ocelots could probably not see the agoutis within the refuges, olfaction likely cued foraging ocelots. Two refuges were repeatedly visited by the same ocelots on different days, suggesting spatial memory. Overall, our results suggest that predators can be attracted to prey refuges or refuging prey. The benefits to prey of staying nearby a refuge would thus be counterbalanced by higher likelihoods of predator encounter. This should stimulate prey to use multiple refuges alternatingly and to not enter or exit refuges at times of high predator activity.
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Wydawca
-
Czasopismo
Rocznik
Tom
59
Numer
2
Opis fizyczny
p.257-262,fig.,ref.
Twórcy
autor
  • Smithsonian Tropical Research Institute (STRI), Apartado, 0843-03092 Balboa, Panama
  • Department of Environmental Sciences, Wageningen University, PO Box 47, 6700 AA Wageningen, The Netherlands
  • Ecosystem Management Research Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
  • Antwerp University, Universiteitsplein 1, 2610 Wilrijk, Belgium
autor
  • Smithsonian Tropical Research Institute (STRI), Apartado, 0843-03092 Balboa, Panama
  • School of Environment and Natural Resources, Ohio State University, 2021 Coffey Rd., Columbus, OH 43210, USA
autor
  • Smithsonian Tropical Research Institute (STRI), Apartado, 0843-03092 Balboa, Panama
  • North Carolina Museum and Natural Sciences, 11 W.Jones Street, Raleigh, NC 27601, USA
  • Program of Fisheries, Wildlife and Conservation Biology, North Carolina State University, Raleigh, NC 27695, USA
autor
  • Smithsonian Tropical Research Institute (STRI), Apartado, 0843-03092 Balboa, Panama
  • Department of Environmental Sciences, Wageningen University, PO Box 47, 6700 AA Wageningen, The Netherlands
Bibliografia
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