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Birders

eppur_se_muova

(41,460 posts)

3. Looks like when tail feathers brush the glass, and leave an oily smear ...

Reply to question everything (Original post)

Wed Apr 21, 2021, 05:03 PM

Apr 2021

You could try these UV-visible stickers made just for the purpose:

https://windowalert.com/

It also helps to hang venetian blinds, and try not to open big windows on both sides of the house. Birds see a 'tunnel' through the house and try to go through.

I assume these are windows where there's no point in covering them with a screen.

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We keep the feeder about 20 ft away from the house [View all] question everything Apr 2021 OP

Birds tend to see a continuation of the outside reflected secondwind Apr 2021 #1

Hang something on the window CANADIANBEAVER69 Apr 2021 #2

Looks like when tail feathers brush the glass, and leave an oily smear ... eppur_se_muova Apr 2021 #3

Thank. At night we draw the curtains on them but during the day we let the sun in question everything Apr 2021 #4