IMHO the pic looks photoshopped. Anyone notice you can see only one leg of the guy holding up the wolf and with the way his body is you certainly should be able to see the other one? The biggest wolf to date captured or killed still only stands at 175 lbs. and would be fantastic indeed to beat that by 55lbs. ,but that's not the issue.
Wolves belong in Yellowstone but the do need to be controled.