Avian Osteology

Skull
86 mm


Red-tailed Hawk 75 - 87 mm	Ferrugin ous Hawk 83 - 96 mm	Rough-legged Hawk 71 - 86 mm


Great Horned Owl 80 - 92 mm	Snowy Owl 82 - 96 mm	Great Gray Owl 76 - 90 mm