Most of our bird feeders are "squirrel proof," though the squirrels aren't yet convinced of that:
The squirrels love eating the peaches in our backyard peach tree:
Our resident chipmunk felt sufficiently hidden from predators on our deck rail, with its cover of wisteria and whatever that bush is, to sun itself and groom for several minutes:
The rabbit in back kept a close watch on us--I don't even know for sure if he could see us through the window, but he sure acted like he could--while the rabbit in front ate. I don't know enough about rabbits to say if he was more likely a parent or a boyfriend to the other rabbit--or even if he is a he--but this rabbit was a good vigilant companion.
We haven't yet gotten many birds to visit our window-mounted feeder, but the squirrels love it, and the cats, especially Halle-Bopp, love watching them: