Kenaston,Bishop and Waverly has always been a hot spot for see raptors...as well down Bishop towards St. Annes rd. From what I have seen it's been Swainson Hawks. Often seen in the Waverly and Scurfield area are Merlins. And don't be surprised to see an Eagle soaring Bishop,Pembina/St.Annes as we get closer to fall.
I have fallowed Swainsons for the last few years and have found this pair to nest on Wilkes and on M'Gillivary...so it's not uncommon to see them in the city...just my thoughts !