This page contains the following solutions.
Here's a picture of a squirrel feeder I built. I didn't like the commercial model, and I'm a carpenter, so I did what comes naturally.
Making Concrete Stepping Stones
DIY Moat to Keep Ants Out of Hummingbird Feeder
Making a Squirrel Proof Songbird Feeder
Making PVC Birds for the Garden
Making a Hummingbird Feeder
Bagel Bird Feeder
