Yes, squirrels definitely eat bird seed! In fact, they are quite fond of it. If you have a bird feeder in your backyard, chances are that a squirrel has discovered it and is regularly raiding it for a tasty snack.nnSquirrels are rodents, and their chewing teeth never stop growing. So, they need to gnaw on things like bird seed to keep their teeth trim and sharp. While bird seed is a nutritious food for squirrels, they will also eat just about anything else they can get their hands on, including insects, nuts, and fruits.Yes, squirrels definitely eat bird seed! In fact, they are quite fond of it. If you have a bird feeder in your backyard, chances are that a squirrel has discovered it and is regularly raiding it for a tasty snack.nnSquirrels are rodents, and their chewing teeth never stop growing. So, they need to gnaw on things like bird seed to keep their teeth trim and sharp. While bird seed is a nutritious food for squirrels, they will also eat just about anything else they can get their hands on, including insects, nuts, and fruits.