With a RollerFeeder, the entire outer feeder shell freely spins clockwise or counterclockwise dislodging the unwanted visitor and additionally shutting access to the feed portals. Red squirrels are the most difficult of all squirrel types to keep out of bird feeders, even squirrel proof feeders, because they are lighter , much smaller , and extremely agile . The personality of a red squirrel has been described as tenacious as they never seem to give up. Red squirrels can jump 15 feet or more from trees. Flying red squirrels can soar up to 30 feet or more.
Red squirrels can easily crawl through small openings.