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Luna-Soria, H.; Lopez Gonzalez, C.A.
Abundance and Food Habits of Cougars and Bobcats in the Sierra San Luis, Sonora, M‚xico
2005 UDSA Forest Service (36): 416-420
Cougars (_Puma concolor_) and bobcats (_Lynx rufus_) are present throughout the Sky Islands of the Sonoran desert. We determined the abundance and food habits in northeastern Sonora, Mexico. Abundance indicated that cougars were common (4.19ñ5.57 cougars/100 km2 and 0.05ñ0.05 scats/km). According to the scat index, bobcats were more abundant than cougars but no significant differences were found between the two ranches in the study area for both species. Cougars fed primarily on white-tailed deer (_Odocoileus virginianus_) and bobcats fed primarily on eastern cotton-tailed rabbit (_Sylvilagus floridanus_), where a small dietary overlap was estimated (0.34, Morisita index and 0.22, Pianka index). Our data help the management and conservation of this region.
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