Transform your windows into a birdwatcher's paradise with a DIY window sill bird feeder! Not only does this project allow you to enjoy nature up close, but it also provides a vital food source for our feathered friends. In this comprehensive guide, we'll walk you through the steps to create a simple, effective, and eco-friendly window sill bird feeder.
Benefits of a DIY Window Sill Bird Feeder
Before we dive into the DIY process, let's explore the advantages of having a window sill bird feeder:
- Attracts a variety of bird species to your yard or balcony.
- Provides a close-up view of birds, making it perfect for birdwatching and photography.
- Encourages children to learn about and appreciate nature.
- Supports local bird populations by supplementing their natural food sources.
- Adds a touch of whimsy and charm to your home's exterior.
Materials Needed
To create your DIY window sill bird feeder, you'll need the following materials:

- Untreated wooden board (around 1" thick, 6" wide, and 12" long)
- Clear silicone sealant
- Screws (1-1/4" to 1-1/2") with matching pilot holes
- Drill and screwdriver bits
- Sandpaper (120-grit)
- Birdseed (a mix of black oil sunflower seeds, millet, and cracked corn works well)
- Optional: Exterior paint or sealant for added protection and customization
Steps to Create Your DIY Window Sill Bird Feeder
Prepare the Wooden Board
Start by sanding the wooden board to smooth any rough edges. This step ensures that the birds' feet won't get hurt and makes it easier to clean the feeder.
Create the Feeding Area
Using a pencil and ruler, mark the center of the wooden board. Draw a rectangle (around 4" x 6") where you'll create the feeding area. Drill a few small pilot holes along the lines to prevent the wood from splitting. Then, use a jigsaw or handsaw to cut out the rectangle, creating a tray for the birdseed.
Attach the Feeder to the Window Sill
Measure and mark the position where you want to attach the feeder to your window sill. Apply clear silicone sealant to the back of the feeder, creating a bead along the bottom edge. Press the feeder firmly against the window sill, ensuring it's level and centered. Allow the sealant to cure according to the manufacturer's instructions.

Secure the Feeder with Screws
Once the sealant has cured, pre-drill pilot holes through the feeder and into the window sill. Secure the feeder in place using screws. Be sure to use screws that are long enough to penetrate the window sill but not so long that they damage the interior of your home.
Fill the Feeder and Enjoy!
Fill the feeding area with your chosen birdseed mix. Watch as birds discover your new feeder and enjoy the close-up view from your window!
Tips for Maintaining Your DIY Window Sill Bird Feeder
To keep your feeder in good condition and safe for birds, follow these maintenance tips:
- Clean the feeder regularly to remove debris and prevent the growth of mold or bacteria.
- Inspect the feeder for signs of damage or wear, and make repairs as needed.
- Refill the feeder with fresh birdseed as needed, and consider offering water in a separate dish or birdbath.
- Rotate the feeder periodically to ensure even wear and tear.
By creating a DIY window sill bird feeder, you're not only adding a charming touch to your home but also contributing to the well-being of local bird populations. Happy birdwatching!