Update (since I know you’re burning with curiosity):
Score 1 for those backing the raptor/bird of prey theory!
When I opened the curtains this morning, a lone marsh hawk flew from my porch railing (about 1’ from my window) onto a low branch and sat there glaring at me.
Color me surprised! I hope he likes squirrels better than the little birds.
This happens a lot when people put up birdfeeders. If you want to discourage the hawk, here is some advice: Protect Backyard Birds From Hawks