The power of the "Mob"

Ok, a bit of a stretch here as far as being site related but I saw this on the late news last night and thought it was worth sharing if only to show the power of the Mob. (Yeah I know tecnically speaking its a herd but you get the drift)

http://youtu.be/LU8DDYz68kM

Look closely for the attack from the water.

BTW park rangers searched and could find no signs of a carcass, ie it survived