My bird feeders appear to be the drive-thru equivalent for the area hawks. Literally every morning I see feathers on the lawn but no carcasses.........
I know from observation that there are several red-tail hawks, an American Kestrel and what I thought to be a Sharp Shinned hawk that was inhabiting my drive-thru was more likely a Coopers Hawk........
A number of years ago when I lived in an apartment, I was walking the back walkway to the parking lot when Coopers Hawk swooped by me and when I turned around I watched him grab a dove which was literally 40 ft. from me and then fly off with it. Another time I was at a golf driving range and watched as a Red Tail hawk drop straight out of the sky onto a robin that was about 50 yards out in front of me.......
Nature is cruel and cool........
Funny you should say that. Most people who first put up a backyard bird feeder soon discover (to their horror) that it's a death trap for songbirds. But that's nature. To a house finch, a backyard feeder is a restaurant of birdseed. And to a Cooper's or sharp-shinned hawk, a house finch is dinner. :)