Final answer:
Predatory birds serve as natural pest control to manage unwanted birds on property, providing a safer and more sustainable alternative to chemical methods. Birds like warblers and woodpeckers can reduce insect pest populations, aiding in ecological balance and crop protection.
Step-by-step explanation:
The type of birds used to control unwanted birds on a property are typically predator birds, which are natural pest control agents. These birds can help reduce populations of insects and other small pests that can damage crops and landscape. Birds such as warblers, bluebirds, and woodpeckers are known for their insect-eating habits, providing a natural avenue to manage pest populations. In contrast, birds introduced for aesthetic reasons, like the Mute Swan (Cygnus olor), can become pests themselves. Consequently, the use of biological control through carefully selected predator birds can be a safe and effective strategy for managing unwanted birds and is often a preferred alternative to chemical pest control methods, which can lead to resistance and non-target impacts. Additionally, promoting natural predators and preserving their native habitats, such as hedgerows and forests, may increase crop yields and aid in a healthier environment.