She was not a particularly large peregrine, and may indeed have been a he, as she was just about 3/4th the size of a big crow.
I'm not really surprised to see her here, as there are some thickety patches around that are absolutely crawling with songbirds. Or, as she likes to call them, snacks.
In other fine raptorial news, the falcons are also back on the Traveler's Tower in Hartford, and they have three eggs. (Links on the page to the Hartford Falconcam)