That said, some solutions definitely work better than others and finding the best bird deterrents can require a lot of trial ...

As for the sound-deterrents, I really didn’t ... out against green and brown habitat tones—and black for “fly-through” glass, where birds see sky on the other side. (If your window matches ...

Instead, encouraged by Cornell’s claim that reflective deterrents’ “shiny ... and brown habitat tones—and black for “fly-through” glass, where birds see sky on the other side.