Avian Osteology

Ulna
109 mm


Northern Harrier 95 - 116 mm	Northern Goshawk 100 - 117 mm	Gyrfalcon 102 - 122 mm	Barn Owl 94 - 126 mm	Spotted Owl 106 - 116 mm	Barred Owl 103 - 122 mm	Short-eared Owl 96 - 113 mm