The squirrel ate all the bird seed when I first put up the bird feeder and I’ve been trying to come up with a solution. I’ve covered the feeder with a cage with holes the birds can enter easily but which are too small for the squirrels. See here the result:
I was quite wrong, however, thinking the squirrel couldn’t get in. Today he entered through the same small holes as the birds. Maybe squirrels are like cats, and their bodies can go wherever their heads can.
The joke’s on me!