what size hole for a starling nest box

what size hole for a starling nest box

For starling comfort and safety, suitable nesting conditions are key. Consider the entrance hole size. It should be right-sized to allow starlings in and keep out larger birds that might harm the nest.

Factors to think about:

  1. Species you want to attract. Starlings usually need a hole of 1.5 inches in diameter.
  2. The material used in the nest box. If wood, it should be thick enough to stop predators from enlarging or damaging the hole. Metal nest boxes often already have the proper hole size.

Sizing the entrance hole correctly makes a real difference. Just ask Bob, a bird enthusiast. He put up a starling nest box with an incorrect hole size. Larger birds invaded and bothered the starling family inside. Bob readjusted the size according to the guidelines, and the birds were safe.

Let’s make space for starlings. Build a safe birdhouse that brings beauty and joy to us and them. Get your toolbox out and get started!

Understanding the needs of starlings as nest box occupants

Starlings have certain needs when they inhabit nest boxes. These include:

  • The size of the hole in the box. A round hole with a diameter of 2.25 inches (5.7 cm) is ideal.
  • The hole should be at least 7-9 inches (18-23 cm) from the floor.
  • Ventilation is also important, so add small holes near the top or on opposite sides.
  • The box should have a depth of 8-10 inches (20-25 cm).

By understanding and providing these needs, starling nesting can be encouraged. One bird watcher saw firsthand how starlings used grasses and feathers to build a nest in a garden with multiple boxes. This highlights the importance of having the right accommodations.

By meeting these needs, starlings will be supported and bird enthusiasts can appreciate their beauty. This is how we can contribute to their conservation.

Selecting the right size hole for a starling nest box

Measure the diameter of the entrance hole on an existing starling nest box or one recommended by experts. Starlings prefer entrance holes ranging from 1 ¼ inches to 1 ½ inches. Research shows they like being at least 10 feet up in the air and facing away from wind. To protect them, predator guards like metal baffles or cones can be added.

Regularly check for signs of damage or occupancy, and clean between nesting seasons to prevent diseases. Offer multiple nest boxes close together to encourage colonies. Be aware of local regulations regarding European Starlings’ invasive nature and impact on native birds. To reduce competition with native species for nesting sites, provide suitable-sized entrance holes. Create an inviting habitat and promote biodiversity in your area. Now enjoy the birdwatching!

Steps to create an appropriate hole size for a starling nest box

When building a nest box for starlings, you must determine the right hole size. Here are six steps to help you with it:

  1. Research the recommended hole size – 2.5 inches in diameter.
  2. Mark the spot on the front panel where the hole will be created.
  3. Gather a drill bit and a handheld or power drill.
  4. Drill into the panel with steady pressure, using the marked spot as your guide.
  5. Use sandpaper or a file to smoothen any rough edges.
  6. Install a predator guard for extra protection.

Plus, monitoring and maintaining the nest box regularly is important. Look for signs of damage or wear and repair as needed.

Factors to consider when placing the starling nest box

When mounting a starling nest box, there are a few points to keep in mind:

  • Location: Pick a spot away from direct sunlight and winds. This will help give the starlings a cozy atmosphere.
  • Height: Put the nest box at least 10 feet off the ground; this will prevent cats and raccoons from entering.
  • Entrance Hole Size: The hole should have a diameter of about 1.5 inches. This will let starlings in but keep bigger birds out.
  • Predator Protection: Install guards or baffles under the entrance hole to prevent climbing animals.
  • Ventilation: Add small ventilation holes near the top; this will help prevent overheating.
  • Maintenance Accessibility: Ensure the box can be easily opened or cleaned. This will keep it in good shape for future nesting seasons.

Also, multiple nest boxes in different spots increases the chance of luring starlings. You can put up multiple boxes in your yard or garden to create a desirable nesting habitat.

Pro Tip: Regularly check on the nest box during nesting season. This will let you spot any issues and take action if needed.

Maintenance tips for starling nest boxes

  1. Clean Regularly: In winter, clean the nest boxes yearly. Removing old nests and debris helps stop the spread of parasites and diseases.
  2. Beware of Predators: Starlings have predators like squirrels, raccoons, and snakes. Check the nest boxes for damage or intrusion. Put predator guards or baffles around the boxes.
  3. Location: Place the box in a suitable spot. Mount it on a pole or tree at least 10-20 feet high, far away from busy roads and direct sunlight.
  4. Ventilation: Ventilation holes near the top are necessary for healthy starlings. This prevents overheating and optimizes air circulation.
  5. Monitor: During the breeding season, keep an eye on the nest box. Look for signs of stress or illness, and intervene if needed.
  6. Plus: Install multiple nest boxes close together. This encourages communal roosting and boosts their chances of raising successful broods.

Conclusion: Maintaining your starling nest boxes is important! It will help starlings thrive and give you the chance to observe their nesting behavior. Get started now!


Let’s explore the specs for a starling nest box. We’ve discussed dimensions of the entrance hole, materials to use, location, and mounting techniques. Plus, proper ventilation and drainage are key.

Now for something new. When selecting the size of the hole, take into account the bird species you are targeting. Different species may require different dimensions. So, research the preferences and behaviors of your birds.

Let’s look into a bit of history. In 1890, Shakespeare fans released all bird species mentioned in his plays in North America. These birds have since settled, often nesting in tree holes or man-made structures like nest boxes.

Frequently Asked Questions

FAQ: What Size Hole for a Starling Nest Box

Q: What size entrance hole should I make for a starling nest box?

A: The recommended size for a starling nest box entrance hole is 1.5 inches or 38mm in diameter.

Q: Why is the size of the entrance hole important for a starling nest box?

A: The size of the entrance hole is crucial to ensure only starlings can access the nest box, preventing larger birds or predators from entering.

Q: Can the entrance hole be larger or smaller than the recommended size?

A: It is not recommended to make the entrance hole larger or smaller than the recommended 1.5 inches as this could deter starlings from nesting or allow unwanted bird species to take over the box.

Q: Are there any other considerations when placing the nest box with a specific entrance hole size?

A: It is important to position the nest box with the entrance hole facing away from direct sunlight and prevailing winds. Additionally, avoid placing the box too close to branches or other potential perching spots for predators.

Q: Can starlings use a nest box with a different size entrance hole?

A: Starlings are adaptable birds and can accommodate slightly different entrance hole sizes, but the recommended size of 1.5 inches provides the best compromise for their needs.

Q: How high should I install the starling nest box with the specific entrance hole size?

A: It is recommended to mount the starling nest box at a height of about 10-20 feet above the ground, preferably on a sturdy pole or tree trunk.

Julian Goldie - Owner of ChiperBirds.com

Julian Goldie

I'm a bird enthusiast and creator of Chipper Birds, a blog sharing my experience caring for birds. I've traveled the world bird watching and I'm committed to helping others with bird care. Contact me at [email protected] for assistance.