Bears may self-medicate against ticks by rubbing against trees
https://www.newscientist.com/article/2356814-bears-may-self-medicate-against-ticks-by-rubbing-against-trees/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Bears may self-medicate against ticks by rubbing against trees