Avian Osteology

Tibiotarsus
108 mm


Northern Harrier 90-109 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