The barn owl primarily feeds on small rodents, and its diet also includes voles, rats, mice, small birds, insects, rodents, and even plants. The species hunts using its hearing to locate prey while flying low to the ground, seizing its food with sharp claws. Hunting strategies include active pursuit, ambush, and searching for food. The common barn owl’s daily food requirement ranges from 70 grams to 120 grams. Gray voles and rats are among the species' prey.