RollerFeeder is Squirrel Proof & Pest Bird Proof preventing larger gray squirrels & others similar in size. Also the RF with prevent larger nuisance birds like starlings, blackbirds, grackles, crows, cowbirds, ravens, pigeons, and other larger undesirable birds. You will never see a blackbird or starling or crow on a RollerFeeder for more than a few seconds.
Squirrel Proof Bird Feeder is a common phrase, we back it up with a guarantee that covers red squirrels, gray squirrels & other rodents similar in size. R-Feeder also prevents larger nuisance birds, and greatly minimizes usage by house sparrows, they can sometimes be as big or bigger problem than squirrels
