Squirrels are a common problem for bird lovers, as they can quickly empty a bird feeder. There are a number of things you can do to keep squirrels off bird feeders, including using squirrel-proof bird feeders, placing the feeder in a location that is difficult for squirrels to reach, and using deterrents such as cayenne pepper or hot sauce.
Squirrel-proof bird feeders are designed to keep squirrels out, either by using a weight-activated mechanism that closes the feeder when a squirrel tries to get in, or by using a slippery surface that makes it difficult for squirrels to grip. Placing the feeder in a location that is difficult for squirrels to reach can also be effective, such as on a high pole or in a tree. Finally, using deterrents such as cayenne pepper or hot sauce can help to keep squirrels away from the feeder.