yeah, really... I could see it now, walking along minding your own business and... kaplunk in the head... that would suck.
That is one ugly bitty, thewoodlands! Glad you've decided to let nature take its course, even though there have been some interesting/funny/insane/ suggestions so far
High power rifle would do it. A shotgun with anything but a slug just wouldn't do anything on a trunk like that. I'd take my 7mm rem mag to it. I could probably hit it from here in Wisconsin.