If you work some kind of oil into the cleaned window sills it will make them super easy to clean. (deck protector, or literally any kind of oil, or a semi-gloss paint)Ya I have window sill roosting chooks - ugh poopy window sills.
And Buttrrcup and Misty like to roost on that door, I am surprised the curtain on the window isn’t full of crud![]()
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The curtains are close enough that most of the poo bombs go past them.