empty pool. porcupines vs black bears

 
so there's an empty pool with 50 porcupines in it. release the bear calvery of 25 into the pool. and place an adamantium top over it. will the porcupines survive or the bears?
 
 
 
 
 

                                     vs

Bears win...they'll get wounded but not a single one of them would die.... 
 
Porcupines all get eaten...

" Bears win...they'll get wounded but not a single one of them would die....  Porcupines all get eaten... "

Bears don't traditionally hunt porcupines due to obvious reasons, but if a bear knocked one over it could easily kill it by crushing it. In fact when they are desperate for food and go for porcupines this is the exact tactic they use. The bears would win but a few may actually end up dying. Not due directly to their injuries but they can end up getting infected, but none will die from the initial attack on them.

" Bears don't traditionally hunt porcupines due to obvious reasons, but if a bear knocked one over it could easily kill it by crushing it. In fact when they are desperate for food and go for porcupines this is the exact tactic they use. The bears would win but a few may actually end up dying. Not due directly to their injuries but they can end up getting infected, but none will die from the initial attack on them. "