Avian Osteology

Femur
71 mm


	Osprey 71 - 83 mm	Northern Harrier 61 - 79 mm	Northern Goshawk 71 - 88 mm	Swainson's Hawk 65 - 79 mm


	Peregrine Falcon 59 - 77 mm	Prairie Falcon 60 - 75 mm		Spotted Owl 62 - 71 mm	Barred Owl 66 - 79 mm