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irping in distress. Bundled it in rags and left 'em with a mound of nuts and seeds down in the forest inside a pile of old blocked wood that never got picked up. Also so my dad doesn't, like, starve it to death or something psychotically. I suspect its mother died already because on my way out of the garage I thought I heard something squeaking but had a cat freaking out in a cage to attend to.
I can't tell the size from the picture but it looks like it could be too young to eat solid food yet, it's possible it would need to be fed formula with a syringe. This is tough for a non-professional because it's easy to accidently put it in their windpipe. A humane society/vet/animal control might pick it up but they might not for squirrels if they don't have the resources as they are common and not endangered typically.
A kitten bottle might work. Choose uncut nipples so the hole can be small enough not to drown it.
Eta: you would probably also need to gently massage genitals and butt to stimulate elimination not kidding, that's why you see mother cats licking their kittens there, their muscles haven't learned to move there yet.