Avian Osteology

Humerus
99 mm


Northern Harrier 81 - 100 mm	Northern Goshawk 88 - 112 mm	Swainson's Hawk 98 - 117 mm	Red-tailed Hawk 99 - 120 mm


Gyrfalcon 91 - 109 mm			Barn Owl 83 - 110 mm	Spotted Owl 95 - 104 mm	Barred Owl 95 - 112 mm