Avian Osteology

Carpometacarpus
28 mm


Sharp-shinned Hawk 25 - 37 mm	American Kestrel 21 - 32 mm	Merlin 27 - 40 mm	Western Screech-Owl 26 - 34 mm


Eastern Screech-Owl 25 - 32 mm	Boreal Owl 20 - 29 mm	Burrowing Owl 27 - 37 mm