Yep, I've always been told that those "cute little chipmunks" are every bit as destructive as a gopher infestation. Maybe ask around at your local farm & garden center to see if there's an owl/hawk attractant you can buy? Good luck, and post an update on how it goes!
We have two barred owls and a couple of red-shouldered hawks that live here year round. Those chipmunks must procreate like bunny rabbits do!
I’ll see what I can find to attract them, though. I’ve never thought of doing that.