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Old 03-13-2019, 08:36 AM
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Default How to Build a Milk Carton Birdhouse

Making a birdhouse out of a milk carton is a fun and easy project. If youíre a parent or teacher, itís a great way to teach kids about nature, arts and crafts, and recycling. All youíll need is a utility knife and a few other simple tools. In no time at all, you can turn an ordinary milk carton into a creative, environmentally-friendly shelter for nearby feathered friends.


EditConstructing Your Birdhouse

  1. Rinse out the milk carton with dish soap and warm water. If youíre recycling a container that held milk or juice, wash it out thoroughly before turning it into a birdhouse. Be sure to rinse away all soapy residue, then let the carton dry completely.[1]

    • For best results, use a or carton. Small, single serving milk cartons aren't large enough to use as birdhouses.
  2. Cut out a hole on 1 side of the carton. Trace a circle on a side of the carton about from the bottom. Then use a utility knife or scissors to cut out the circle. The hole will allow birds to enter the birdhouse.[2]
    • The right size for the hole depends on the birds in your area. For most wrens and songbirds, a hole is ideal. If you want to attract larger birds, such as screech owls, make the hole in diameter.
    • Use caution with blades and other sharp objects. If necessary, have an adult help you cut the carton.
    • To trace a perfect circle, use the bottom of a measuring cup, bottle cap, or other round object thatís in diameter.
  3. Poke small drainage holes into the bottom of the carton. Use an ice pick, leather awl, or skewer to make small holes at each corner on the cartonís underside. The holes will provide ventilation and prevent water from pooling inside the house.[3]
    • Remember to be careful with sharp tools and, if necessary, to get help from an adult.
  4. Punch a hole at the top so you can hang the birdhouse. Use a hole puncher to make a hole at the top of the carton where the slanted sides come together to form a flat edge. Position the hole in the middle of the top edge so the birdhouseís weight will be evenly distributed when it hangs.[4]
    • Try to punch the hole at least down the top edge of the carton. If you make the hole too close to the very top, the string might tear through the carton when you hang it.
EditAdding Decorations

  1. Glue sticks to the top of the carton to make a roof. Cut popsicle sticks or twigs from the yard with scissors or pruning shears. Each should be about long. Then paste them to the slanted sides at the top of the carton to form an overhanging roof.[5]
    • The exact number of sticks you'll need depends on their size. Most milk carton are wide. If you have sticks, you'd need around 8 to 10 of them to cover each slanted side of the carton's top.
    • Craft glue should start to dry in 5 to 10 minutes, but you should wait at least 24 hours before putting the birdhouse outside. That'll give the glue time to fully cure. Otherwise, any moisture or humidity outside could weaken the bond.
    • The roof will provide shade and direct rainwater away from the birdhouseís opening.
  2. Paint the cartonís exterior with water-based paint, if desired. If youíd like to add some color to your birdhouse, start with a coat of white primer to conceal writing and logos on the carton. Allow the first coat to dry for 4 to 6 hours, or according to the instructions, then add 1 to 2 top coats in a color of your choice.[6]

    • As for color choice, go with a lighter hue. Generally, birdís arenít picky about the color of their shelter, but darker shades absorb light and can lead to overheating. Additionally, bright colors could attract predators, so itís best to go with a less conspicuous option, such as tan, gray, or green.
  3. Try pasting ****ons or construction paper cutouts onto the carton. To add personality to your birdhouse, you could also paste ****ons, googly eyes, or other crafty details onto it. Try making flower designs with ****ons, pasting leaf-shaped colored paper cutouts all over the carton, or decorating it to look like a bird.[7]
    • You could even decorate the birdhouse to make it look like your own home. Paint it the same color as your home, make windows and other details out of construction paper cutouts, then paste the cutouts onto the birdhouse when the paint is dry.
    • Avoid using shiny or reflective decorations, which could scare birds away.
EditHanging the Birdhouse

  1. Choose a quiet spot in your yard thatís within view of a window. Hang your birdhouse from a branch, eave, or other sturdy fixture. Look for a spot thatís away from car and foot traffic so any hatchlings in the nest will have privacy. At a minimum, hang the birdhouse away from areas of activity.[8]
    • While the spot should be secluded, it should still be visible from a window or patio so you can admire your new feathered friends.
  2. Tie string or yarn through the hole at the top of the carton. Loop the string through the hole, then tie it securely in a double knot. Measure the height of the branch or post youíll hang the birdhouse from to find the right length for the string. The string should be long enough so the birdhouse hangs at least above the ground.[9]
    • Hanging birdhouse at least above the ground will help keep out snakes, insects, and other predators and pests.
    • For instance, if you plan on hanging the birdhouse from a branch, the string should be less than long.
    • Use a string made out of nylon or another synthetic material instead of one made of cotton twine. Natural fibers wear away over time. Additionally, go with a sturdy product with a diameter of at least 2 millimeters (#30 gauge or higher).
  3. Place small rocks or sand inside the carton to anchor it against the wind. To help prevent the birdhouse from blowing around wildly in the wind, line the bottom with sand, gravel, or small rocks. A layer should be enough to anchor the birdhouse.[10]
    • You can just use pebbles or rocks from your yard; thereís no need to use a store-bought product.
  4. Hang the box at least off of the ground. Loop the end of the string thatís not tied to the birdhouse around a branch, then tie it in a tight double knot. The best time to hang your birdhouse is in the late winter or early spring. That way, birds will have time to notice it and select it as a nesting site.[11]
    • If you want to use the carton as a bird feeder, simply add bird seed up to the circular opening. Check the feeder every week or so and refill it when necessary.

  • Itíll take time for birds to notice your birdhouse, so be patient.[12]
  • For the best chances of attracting birds, construct the house in fall or winter so fumes from any paint or glue dissipate.
  • If spring and summer have passed and you havenít attracted any birds, try changing the houseís location. Some birds prefer more stable nesting sites, so tying it securely to a tree trunk instead of hanging it may also help.[13]
  • Thereís no need to add a perch to the entrance hole. A perch would just make it easier for predators to get into the house.[14]

  • Be careful with scissors, ice picks, utility knives, and other sharp tools. If necessary, ask an adult for permission or help.
EditThings Youíll Need

  • or milk carton
  • Pencil
  • Utility knife or scissors
  • Ice pick or skewer
  • Hole puncher
  • Glue
  • Popsicle sticks or twigs
  • String or yarn
  • Non-toxic, water-based paint (optional)
  • Paintbrush (optional)
  • Construction paper (optional)
EditSources and Citations

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