Brown bears that rub against more trees have more mates and offspring according to a new study. The study found that for every object a male bear rubbed against its predicted number of mates increased by 1.38 times. Additionally, each extra rub multiplied the number of offspring by 1.37 times. Similar findings were also observed for female bears who rubbed their backs against more objects. As far as we know, all bears do this dance, rubbing their back up against the trees, stomping the feet and leaving behind odors of who they are, what they are, and what position they're in, Mark Boyce, Ecologist In The Department Of Biological Sciences, University of Alberta. The findings suggest that there may be a fitness component to the behavior which makes the bear more attractive. The study also showed that the rubbing behavior helps females avoid areas where big male bears are active. The study was conducted by researchers at the University of Alberta
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