Although you may be able to keep grackles from raiding your feeders, they may also be eating all the spilled seed on the ground.
How to get rid of grackles at feeders. Use black oil sunflower seeds to reduce spillage. Change the types of feeders you use. Top 3 excellent grackle proof bird feeders you need to know.
Don’t use tray feeders or feeders with platforms that allow grackles to land. Offer massive amounts of cheap food that grackles can’t resist, such as corn, positioned at least 15 feet away (4.5m) from your other bird. Here’s what you’re going to do:
Here are a few useful ways to keep grackles away from your bird feeders: