How do bluebirds help control pests?

Bluebirds help control pests by feeding on insects such as caterpillars, beetles, grasshoppers, and Spiders that can harm crops and gardens. They are particularly effective at catching insects in mid-air, making them valuable predators for controlling flying pests. By consuming large quantities of these pests, bluebirds help maintain a balanced ecosystem and reduce the need for chemical pesticides.