Avian Osteology

Femur
50 mm


Sharp-shinned Hawk 38 - 53 mm	Merlin 39 - 50 mm	Barn Owl 49 - 68 mm	Northern Hawk Owl 45 - 52 mm	Long-eared Owl 48 - 59 mm	Short-eared Owl 50 - 62 mm