Cooper's or Sharp Shinned Hawk

[jayzie1]

Hello all...long time lurker, first time poster.

We were quite excited this morning to see this hawk perched in our downtown backyard.  I've looked at numerous sites, but can't determine whether this is a Cooper's or Sharp Shinned Hawk.

Any ideas?

Thanks!

http://twitpic.com/jd0vs

[Iain]

I'd say Cooper's.  Long, rounded tail and an overall larger appearance.  How big was this bird?