How to Keep Mockingbirds Away From Bluebirds

Keeping mockingbirds away from bluebirds can be a challenge, but with some proactive measures, it is possible to create an environment that is more favorable to bluebirds. Here are some strategies to consider:

  1. Provide nesting boxes: Install specific bluebird boxes which discourage larger birds like mockingbirds. These boxes have small entrance holes designed to allow bluebirds to enter while keeping larger birds out. Place the boxes in open areas away from dense shrubs and trees where mockingbirds might seek shelter.
  2. Create a safe habitat: Mockingbirds are territorial and tend to dominate smaller birds. By creating an environment that is appealing to bluebirds, such as open spaces with low shrubs and perches, you can discourage mockingbirds from settling in the area.
  3. Offer food and water: Provide bluebirds with a reliable source of food and water. This will help attract them to your yard while keeping them away from mockingbird territories. Bluebirds mainly eat insects, so offering mealworms or suet can be beneficial.
  4. Install deterrents: Hang reflective objects, like strips of aluminum foil or shiny bird tape, near bluebird houses. The flickering light can deter mockingbirds. Motion-activated sprinklers or ultrasonic devices can also be effective in scaring away unwanted birds.
  5. Avoid artificial bird calls: Mockingbirds are known for mimicking other bird calls, so playing artificial bird songs can attract them rather than repel them. Stick to natural sounds or avoid them altogether.

Remember, it’s important to respect wildlife and find a balance that encourages healthy interactions between different bird species. By following these strategies, you can enhance your chances of attracting bluebirds while minimizing conflicts with mockingbirds.

Understanding Mockingbird Behavior

A. Aggressiveness towards other bird species

Mockingbirds are known for their territorial nature, which can lead to aggressive behavior towards other bird species. They are particularly protective of their nests and young during breeding season and may become confrontational if they perceive a threat.

B. Reasons for targeting bluebirds

Bluebirds are often targeted by mockingbirds due to their attractive nesting sites and abundant food sources. Mockingbirds may try to take over bluebird nests or simply harass them to drive them away from the area.

C. Breeding and nesting habits

Mockingbirds generally breed between March and August, with a peak in nesting activity during May and June. They typically build their nests in dense shrubbery or tree branches, making it difficult for other birds to access the area. These fascinating creatures can learn up to 200 sounds in throughout their lifetime.

Bluebird Habitat and Nesting Requirements

A. Ideal nesting locations

Bluebirds prefer open areas with short grass and scattered trees or shrubs for nesting. They are cavity-nesting birds, meaning they require a hole or crevice in a tree, fence post, or birdhouse to build their nest.

B. Importance of proper nesting boxes

Providing bluebirds with properly designed nesting boxes can help to keep them safe from mockingbirds and other predators. A well-built nesting box can also encourage bluebirds to return to the area year after year.

C. Signs of bluebird nesting activity

Some signs that bluebirds may be nesting in your area include:

  • Bluebirds perching on or near a nesting box
  • Male bluebirds singing to attract a mate
  • Bluebird pairs flying together and exploring possible nesting sites

Methods for Deterring Mockingbirds

A. Nesting box design

Optimizing the design of bluebird nesting boxes can help to deter mockingbirds from attempting to take over or harass the bluebird occupants.

  1. Proper entrance hole size: A small entrance hole (1.5 inches in diameter) will allow bluebirds to enter while preventing larger birds, like mockingbirds, from getting inside.
  2. Predator guards: Adding a predator guard, such as a baffle or metal collar, to the base of the nesting box can prevent predators, including mockingbirds, from climbing up to the nest.
  3. Box placement and height: Place nesting boxes at least 5 feet off the ground and away from dense vegetation to make it difficult for mockingbirds to approach.

B. Landscaping techniques

Implementing strategic landscaping techniques can make your yard less appealing to mockingbirds and encourage bluebirds to nest.

  1. Plant selection: Choose native plants that provide food and shelter for bluebirds, such as berry-producing shrubs and trees with cavities for nesting.
  2. Brush and tree trimming: Keep trees and shrubs well-trimmed to minimize nesting opportunities for mockingbirds.
  3. Creating a less attractive environment for mockingbirds: Remove bird feeders that attract mockingbirds and limit access to water sources by using bird baths designed specifically for smaller birds like bluebirds.

C. Noise deterrents

Noise deterrents can help to keep mockingbirds away from bluebird nesting areas.

  1. Ultrasonic devices: These devices emit high-frequency sounds that are unpleasant to birds like mockingbirds but are inaudible to humans. Place them near bluebird nesting areas to discourage mockingbirds from approaching.
  2. Audio recordings of predator sounds: Playing recordings of predator calls, such as hawks or owls, can make mockingbirds feel threatened and encourage them to stay away from the area.

D. Visual deterrents

Using visual deterrents can help to scare off mockingbirds and protect bluebirds.

  1. Reflective objects: Hang reflective items, such as old CDs or aluminum foil, near bluebird nesting areas to startle and confuse mockingbirds.
  2. Fake predators: Place decoy predators, like plastic owls or snakes, near bluebird nesting sites to intimidate mockingbirds and discourage them from approaching.
  3. Bird netting: Installing bird netting around bluebird nesting areas can prevent mockingbirds from accessing the nests and keep bluebirds safe.

Monitoring and Maintaining Bluebird Nests

Regular monitoring and maintenance of bluebird nests can help to ensure their continued safety from mockingbirds and other threats.

A. Regular nest inspections

Check bluebird nests every 3-4 days during the nesting season to monitor for signs of mockingbird activity or other issues. Be cautious not to disturb the nest or the bluebirds themselves.

B. Cleaning and repairing nesting boxes

At the end of each nesting season, clean out the nesting boxes and make any necessary repairs. This will encourage bluebirds to return the following year and ensure the boxes remain secure against predators.

C. Monitoring for signs of mockingbird presence

Keep an eye out for mockingbirds in the area and take note of any changes in their behavior. If you observe an increase in aggressive behavior or attempts to access bluebird nests, consider implementing additional deterrent methods.

Legal and Ethical Considerations

Before taking any action to deter mockingbirds, be aware of the legal and ethical implications involved.

A. Migratory Bird Treaty Act

The Migratory Bird Treaty Act protects both mockingbirds and bluebirds, making it illegal to harm or kill either species. Ensure that any deterrent methods used are non-lethal and do not violate this law.

B. State and local laws

Some states and municipalities have additional laws and regulations regarding bird protection. Be sure to familiarize yourself with these rules before implementing any deterrent measures.

C. Ethical considerations in deterring mockingbirds

While protecting bluebirds is important, remember that mockingbirds are also a part of the ecosystem and deserve consideration. Aim to use deterrent methods that are effective yet humane, causing minimal harm to mockingbirds.

Collaborating with Neighbors and Local Community

Working together with neighbors and the local community can help to protect bluebirds on a larger scale.

A. Importance of community involvement

Encourage neighbors and community members to join in the effort to protect bluebirds and their habitats. The more people involved, the greater the impact on bluebird conservation.

B. Sharing best practices and experiences

Share your experiences with deterring mockingbirds and protecting bluebirds with others. Discuss which methods have been most effective and offer suggestions for improvement.

C. Participating in local birdwatching groups and clubs

Join local birdwatching groups and clubs to stay informed about bluebird populations and conservation efforts in your area. These groups can provide valuable resources and support for protecting bluebirds from mockingbirds and other threats.

Frequently Asked Questions

Let’s answer the most frequently asked questions about mockingbirds and bluebirds.

1. How to get rid of mockingbirds?

To get rid of mockingbirds, it’s important to approach the issue humanely. Firstly, identify what attracts them, such as food sources or safe nesting spots. Removing these attractions can discourage them from frequenting your property. Implementing scare tactics like hanging shiny objects or using motion-activated devices can also deter them. Additionally, blocking potential nesting areas with netting or barriers can prevent them from building nests on your property. It’s crucial to ensure the safety and well-being of birds while addressing the issue, remembering that mockingbirds serve an important role in the ecosystem by controlling insect populations.

2. What to do with a territorial Mocking bird?

If you’re dealing with a territorial mockingbird, there are a few steps you can take to address the issue. First, it’s important to understand that mockingbirds are generally protective of their nests during breeding season. However, if the bird’s territorial behavior becomes problematic, such as attacking people or pets, you can try creating physical barriers around the affected area. This can include placing netting or fencing to deter the bird. Another possibility is to plant some shrubs or trees to create a more natural boundary, which may help alleviate the bird’s aggression. Remember, it’s essential to protect yourself and others, while respecting the bird’s nesting habits when finding a solution.

3. Is there a mockingbird repellant?

There is no specific mockingbird repellent available on the market. Mockingbirds are protected by law in certain regions, preventing the use of any harmful or lethal means of repelling them. However, there are some measures that can be taken to discourage mockingbirds from nesting or roosting in certain areas. These include removing potential food sources like berries or insects, trimming trees and shrubs to eliminate nesting sites, and using visual deterrents such as reflective objects or scare devices. It’s important to remember that mockingbirds are valuable for pest control and contributing to a healthy ecosystem, so achieving a balance is encouraged.

4. Why are mockingbirds aggressive?

Mockingbirds can exhibit aggressive behavior for a variety of reasons. One potential reason is their territorial nature. Mockingbirds fiercely defend their nesting areas, especially during breeding season, as they want to ensure the safety of their eggs and chicks. Additionally, mockingbirds are known to imitate other bird species’ songs, which they use to establish their dominance and protect their territory. They may also act aggressively to deter potential threats, such as predators or other birds encroaching on their nesting area. Furthermore, mockingbirds can become territorial towards humans if they perceive them as a threat, such as getting too close to their nests or offspring.

5. What are the tools that are needed to get rid of mockingbirds?

There are several tools and approaches that can help to get rid of mockingbirds without causing harm to them. Firstly, physical deterrents such as scarecrows, reflective objects, or hanging strings can make the environment less inviting for the birds. Playing recorded distress calls or predator sounds can also be effective in deterring them. Additionally, pruning or removing dense shrubbery and providing nesting options away from your property can encourage them to find another habitat. It is important to remember that mockingbirds are protected under federal law, so it is crucial to use non-lethal methods and respect their presence in the ecosystem.

6. What kind of care needs to be taken while getting rid of mockingbirds?

When getting rid of mockingbirds, it is crucial to exercise caution and empathy. Mockingbirds are protected by federal and state laws, so it is essential to comply with regulations to prevent any legal issues. The best approach is to deter them humanely without causing harm. Avoid using poisons or physical harm, as these methods can be dangerous and inhumane. Instead, utilize non-lethal deterrents like visual and auditory distractions or modifying the environment. Maintaining a respectful and compassionate attitude toward wildlife helps to protect and coexist with these beautiful creatures while ensuring harmony with nature.

7. Is killing mockingbird species legal?

The killing of mockingbirds, specifically the Northern Mockingbird (Mimus polyglottos), is generally illegal and protected under various wildlife conservation laws in many countries, including the United States. These laws aim to safeguard the populations of native bird species by prohibiting their hunting, capturing, or intentional killing. Mockingbirds play a significant ecological role in controlling pest populations while enriching their surroundings with delightful songs. However, local regulations may allow limited harvesting or control of specific species for specific reasons, such as maintaining crop health or personal safety. It is essential to consult local laws and regulations to understand the specific circumstances under which killing mockingbirds may be permitted.


Protecting bluebirds from mockingbirds is an important aspect of conserving these beautiful birds and ensuring their survival. By understanding the behavior of both species and implementing effective deterrent methods, you can create a safe and welcoming environment for bluebirds in your area. Remember to follow legal and ethical guidelines when taking action against mockingbirds, and collaborate with neighbors and the local community to maximize your efforts. By working together, we can help to preserve bluebird populations and enjoy their presence for years to come. For more information on bluebird conservation and additional resources, consider visiting the North American Bluebird Society’s website or connecting with local birdwatching groups and clubs.


  • Nathan Collins

    Having spent years working in the landscaping industry, Nathan Collins has cultivated a wealth of knowledge about the natural world. He is committed to helping others appreciate the beauty in their backyards, whether it's through identifying rare rocks and minerals or crafting the perfect landscape.

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