Are you sure about that? I remember the thread right here on FR that had this photo, and 4 or 5 others.
I know that llamas will kill coyotes, wolfs, and dogs, and have seen them do so.
Mark
Follow the link in post #18 ... if you were lead to believe that the mule killed the cougar, well...it ain’t so....or at least according to Snopes. ;)