Avian Osteology

Carpometacarpus
26 mm


Sharp-shinned Hawk 25 - 37 mm	American Kestrel 21 - 32 mm		Western Screech-Owl 26 - 34 mm	Eastern Screech-Owl 25 - 32 mm	Boreal Owl 20 - 29 mm	Northern Saw-whet Owl 18 - 26 mm