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It has a perch and you can fill it with any bird seed that you prefer. If you have any bird s nests nearby, try putting this feeder on the window closest to the next. I got several bird visits by doing that! Although, they were hard to catch when my camera was nearby. :)
I loved the easy installation. It takes about 1 minute total and the suction is good in the cups. I was impressed with this feeder and I think you will too!