Avian Osteology

Tibiotarsus
110 mm


Northern Goshawk 96-114 mm	Swainson's Hawk 92-110 mm	Red-tailed Hawk 100-123 mm	Rough-legged Hawk 91-111 mm	Gyrfalcon 96-110 mm


Barn Owl 90-116 mm	Snowy Owl 107-126 mm	Barred Owl 95-111 mm	Great Gray Owl 110-128 mm