Resistant Bird Feeder

How to make ● a SQUIRREL PROOF Bird Feeder

It allows birds to enter to get to the bird seed but.

Chickadees love sunflower seed
It took several weeks before the birds found the feeder I hung outside my living room window. They love the sunflower seed; they're going through a pound a week now. I have a "squirrel resistant" feeder...
Photo by amitp on Flickr
our "squirrel resistant" bird feeder
Photo by Tafkabecky (Becky Bokern) on Flickr