Palm rats for sure. Same thing happened to us last year. Deans came out with poison boxes and traps and cleared the problem in a couple of weeks. We couldn't fix the hole until after we were certain the rats were all dead and stopped being killed by the traps inside our bird cage.(Otherwise they would simply eat a new hole in the screen.)In the interim some nocturnal animal repeatedly entered and triggered the traps and ate the peanut butter. Deans put out a trail cam and it was a 20 pound possum. I bought a live trap which turned out to be a waste, because the next day this monster was laying dead in the road a block away. Apparently the rats can sense the lower barometric pressure that an oncoming rain storm creates and head for dry ground in advance of the storm. Look outside the hole and you'll see tiny mouthfuls of screen. Good luck.
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