Avian Osteology


	Northern Harrier 61 - 79 mm	Cooper's Hawk 53 - 69 mm	Swainson's Hawk 65 - 79 mm

Femur
68 mm


	Northern Harrier 61 - 79 mm	Cooper's Hawk 53 - 69 mm	Swainson's Hawk 65 - 79 mm	Peregrine Falcon 59 - 77 mm


	Prairie Falcon 60 - 75 mm	Barn Owl 49 - 68 mm	Spotted Owl 62 - 71 mm	Barred Owl 66 - 79 mm