Hazel,I always thought he was a Coopers Hawk,except his wing-feathers are grey,not brown.
We also have a bigger Hawk coming around all winter,I think they know the Pigeons come here to eat.
I suppose in the summer they have enough fields to hunt mice,rabbits etc,then they come here in winter.
"The cruelest animal is the Human animal"
3 kitties,Rocky(r.i.p my boy),Chico,Vinnie