I was going to suggest to check online or to use granola type cereal.
No. Not that I know of.
I've never seen it but peanuts work pretty good
Neither at the store or online
I don't believe they have actual food formulated for squirrels but they do have human trail mix or whatever nuts and the like
They do not.
If not there is a specialty pet food store next door called paws that every animal lover should visit.
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