Need help with hawk

[Turtlebird]

This medium size hawk flew over me the other day, I only managed to get a poor shot of it flying away.  Hope someone can help me ID it.  I think it is perhaps a cooper's hawk?

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[raypye]

Shape- long pointed wings
That means that it is not a Coopers Hawk, Sharp-shinned Hawk or Red-tailed Hawk.
Possable choices:
Northern Harrier- female
Merlin- female
Peregrine Falcon- juvenile
I would go with Northern Harrier- female (subadult)
Rayfield Pye

[Turtlebird]

Ok thanks, I'm going to go with Northern Harrier.  I distinctively remember it having yellow eyes too, and it is the only one that matches.