Avian Osteology

Tarsometatarsus
39 mm


	American Kestrel 30 - 39 mm	Merlin 32 - 42 mm	Western Screech-Owl 32 - 41 mm	Burrowing Owl 39 - 50 mm	Long-eared Owl 36 - 47 mm	Short-eared Owl 39 - 49 mm