How to prevent birds from flying into windows

One possible explanation for why birds fly into windows is that they see a reflection of the outdoors, thinking they can fly right through. (When looking at the window reflections in these pictures, it's pretty obvious to see how this could happen.)

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Another explanation is that, during mating season, birds see their reflection as a competitor that has to be fought off.

And if you're considering putting up bird feeders, waterers or bird houses, you're increasing the chances of bird-window collisions.

At our house, we'd had several casualties from birds flying into our window, so something had to be done. The challenges were that we have very limited carpentry skills, couldn't invest a lot of money, and didn't want to obstruct our view from inside the home.

Since most of our windows don't open, they can't accommodate screens. So, here's a photo of what we decided on:

netting to prevent birds from hitting windows

At Lowes, we purchased:

• 1 roll of 7'x100' wildlife netting ($13)
• 2 10-packs of 6' long by 1 1/2" wide lath strips ($9/pack)
• a pack of 9/16" wood staples ($3)
• 6 1" spring clamps ($11)
• a tube of liquid nails (optional)

Since this row of windows measures 16' wide by 6' high, we cut an 18' strip of the 7' wide netting and spread it out on the deck. To add just a little weight to the bottom of the netting (but not so much that it might compromise the gutters) -- and to add stability to the top of the netting, we aligned 3 pairs of lathing along both the top and bottom of the netting, with the netting sandwiched between. The lath strips were then stapled together with dabs of Liquid Nails to keep the slats together.

Lastly, we clamped the top of the netting onto our gutters with the spring clamps.

suspending bird netting from gutters over windowsbird netting over windows

So far, we've had no more bird collisions. And the netting is virtually invisible from inside our house.

If you have suggestions on how we could improve upon our efforts to prevent birds from flying into the windows, please share them in the feedback section below.

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Join in our discussions:
Showing comment(s)
April 3, 2015
This is a terrific, affordable, good looking solution. So excited to find it - thanks for sharing!
Rich at
April 9, 2015
Thank you very much for your positive feedback, gs.
We couldn't be any happier with how this has worked out; not a single bird has hit the windows in 2 years now and the netting looks as good as the day we hung it.
April 12, 2014
If you're concerned about overall cost and keeping weight to a minimum so that your gutters don't sag, have you thought of using plastic zip ties instead of metal spring clamps to attach the netting slats to the gutters?
Rich at
April 14, 2014
That's a wonderful idea Lewis. The zip ties are so much cheaper, lighter and, i suppose, can be quickly cut off if the netting should have to come down because of high winds.
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