[MCN] Mountain lions' lives get riskier as people move near
lance at wildrockies.org
Thu Apr 26 14:57:47 EDT 2018
Journal of Animal Ecology First published: 13 April 2018
Blecha, K. A., Boone, R. B., & Alldredge, M. W. . Hunger mediates apex predator's risk avoidance response in wildland–urban interface.
IN FOCUS Free Access
Hunger makes apex predators do risky things
Stan Boutin <https://besjournals.onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Boutin%2C+Stan>
Abstract Free Access
Puma (Puma concolor), an apex predator, can live at the edge of cities where pockets of low‐density human dwellings form residential patches in the wildland–urban interface. Blecha, Boone, and Alldredge (2018 <https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2656.12815#jane12815-bib-0003>) tracked puma via global positioning system (GPS) telemetry collars to determine when and where they hunted and made kills. Well‐fed puma (1–2 days between kills) strongly avoided residential patches despite these areas having higher mule deer (Odocoileus hemionus) densities and higher kill success for puma. However, the strong avoidance of residential patches completely disappeared as puma became hungrier (4–10 days since last kill) making it more likely that hungry individuals hunted in residential areas and ultimately increasing the likelihood of puma–human conflict.
” … housing growth poses the main threat to protected areas in the United States
whereas deforestation is the main threat in developing countries."
Volker C. Radeloff, Susan I. Stewart et al. Housing growth in and near United States
protected areas limits their conservation value. PNAS. January 12, 2010.
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