Male, SP2021-09
My best guess is song sparrow. The bird was inaccessible for a better look. Sw facing side of glass, about 2 feet away from wall and about 10 feet below window. There was a bird skeleton to the left of the sparrow as well.
Window strike, collected for ANS. Sorry for gross photo
CO Boulder Co Lake Park Louisville
Flashed ruby crown but I didn't get it on camera.
Window strike on new apartment complex. 1 ft from building. Stiff.
Window strike, dead upon arrival