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Tree rubbing by Asian black bears (Ursus thibetanus) in conifer plantations in Okutama Mountain in Japan
Tree rubbing by bears is a well-known behavior, but the behavior has not been investigated systematically in Asian black bears. We installed automatic cameras at trees in planted conifer forests to visually document rubbing behavior and to compare the findings with the results of earlier studies. All trees with bear hair attached had bark damaged from antler sharpening by deer and had secreted resin. Between 2011 and 2015, tree rubbing was observed at five of the 16 trees at which automaticdoi:10.6084/m9.figshare.12034146 fatcat:xlwnokd2xjgpjjf5lbwwegutqe