this video gives a whole new meaning to the expression 'barking up the wrong tree' casey lantz from las vegas filmed his brother's dog enthusiastically getting his teeth into park shrubbery footage shows the canine determinedly attacking a tree trunk and attempting to rip off branches but despite his best efforts he fails to break off any twigs lantz tells the pup to get down but the creature refuses to listen he continues to sabotage the timber at one point the pup dangles from the tree with a branch between his jaws after more than half a minute he shows no sign of giving up another video shows the dog repeating the same stunt with a different tree caught on camera: this video gives a whole new meaning to the expression 'barking up the wrong tree' high jump: casey lantz from las vegas filmed his brother's dog enthusiastically getting his teeth into park shrubbery  standing tall: footage shows the canine determinedly attacking a tree trunk and attempting to rip off branches  disheartened: but despite his best efforts he fails to break off any twigs 
casey lantz las vegas
casey lantz from las vegas filmed his brother's dog enthusiastically getting his teeth into a tree  at one point the canine dangles from a branch as he bites it in his jaws 