Hummingbirds are one of nature's most beautiful and shy birds. Many homeowners may try to attract them using hummingbird feeders, which contain a sweet water that they love. Yet these birds aren't the only ones who appreciate sugary water. Ants do too. If hummingbirds encounter an ant in their feeder, they most likely won't come back, and this can be very frustrating for the average bird lover. Yet how are you supposed to keep this invasive pest away? Consider these tips to keep ants out of your hummingbird feeder.