YES:
Yes cats should stay inside cause it is better for everyone they wont find cat poop every where nor will they find cats picking in the gardens or finding them climbing on there roof.
Cats should stay inside cause even thought most of the birds that are being attacked are from over seas they still live in new Zealand and should we should still care for anything and everything that has found a home here.
For the months they can hunt up to more than 400 native and not native animals.
NO:
Cats shouldn't stay inside.They are cats they were built for the outside they only 1/3 of the native birds and animals and the other 45% was not native animals like rats rabbits and other animals.