All,
I just observed 3 peregrine falcons over 18th & Glenarm in Downtown Denver. One bird was an apparent juvenille who was calling constantly to its parents as they danced between and over the buildings in the area.
I have seen 2 birds in the past few years, and hoped they found a building to nest in - while I still haven't figured out which one, I think it might be the Midbank First tower at 17th & Glenarm, which has a floor of indented cliff-like windows, and have seen birds alighting in there this past summer.
Great to see!
-Matt Baker
Denver, CO