Bird feeding may seem like a simple process, but squirrels usually find bird seed before any other type of pest. Many people who have bird feeders have came up with their own methods for keeping squirrels away, and there are products available on the market that could help to protect the birds and seeds. However, squirrels are persistent and it may take several measures to keep them out of the feeders.
Mix thistle into the regular bird seed and wait a few days to see whether the squirrel problem declines.
Try filling your feeder with safflower seeds, which squirrels are not particularly fond of. The only problem with this method is that not all birds will eat safflower seeds. It's worth trying for at least a week. If the birds do not eat the seeds, then continue to step 3.
Put up a baffle on the pole above and below the feeder or use a dome to help keep out the squirrels. Also, make sure that your feeder is more than 10 feet from trees or any area that a squirrel could use as a launching pad.
Make sure your bird feeder has a tray below it to catch food that has spilled. Never bury or spread seed in your yard. Squirrels will remain a problem if seeds are anywhere besides the feeder.
Try installing a squirrel feeder on the opposite side of your yard from the bird feeder. In addition, make sure you pick fruit or vegetables from your garden as soon as they ripen.