Avian Osteology

Tarsometatarsus
55 mm


Osprey 49-58 mm	Sharp-shinned Hawk 45-61 mm	Peregrine Falcon 44-59 mm	Prairie Falcon 48-61 mm


Snowy Owl 47-59 mm	Spotted Owl 51-58 mm	Barred Owl 50-59 mm	Great Gray Owl 50-62 mm