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Humerus - End Widths

 

 

Ranges of End Width measurements of Humerus for the different Species of Falconiformes and Strigiformes in British Columbia



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Species - Proximal End mm Species - Distal End mm
       
Northern Pygmy-Owl 4 - 8 Northern Pygmy-Owl 5 - 7
Flammulated Owl 6 - 8 Flammulated Owl 6 - 7
Northern Saw-whet Owl 7 - 9 American Kestrel 6 - 8
Eastern Screech-Owl 8 - 11 Northern Saw-whet Owl 7 - 9
Boreal Owl 8 - 11 Burrowing Owl 8 - 10
American Kestrel 8 - 13 Boreal Owl 8 - 10
Western Screech-Owl 9 - 11 Merlin 8 - 11
Burrowing Owl 9 - 11 Eastern Screech-Owl 8 - 11
Sharp-shinned Hawk 9 - 14 Sharp-shinned Hawk 8 - 12
Merlin 10 - 18 Western Screech-Owl 9 - 11
Northern Hawk Owl 11 - 14 Copper's Hawk 10 - 15
Long-eared Owl 11 - 15 Northern Hawk Owl 11 - 14
Short-eared Owl 13 - 16 Long-eared Owl 11 - 14
Copper's Hawk 13 - 17 Short-eared Owl 13 - 15
Great Horned Owl 13 - 17 Northern Harrier 13 - 17
Barn Owl 14 - 18 Barn Owl 13 - 17
Northern Harrier 15 - 27 Peregrine Falcon 13 - 19
Prairie Falcon 15 - 28 Prairie Falcon 14 - 17
Spotted Owl 16 - 18 Great Horned Owl 15 - 20
Barred Owl 16 - 20 Spotted Owl 16 - 19
Peregrine Falcon 17 - 34 Barred Owl 16 - 19
Red-tailed Hawk 18 - 33 Swainson's Hawk 17 - 21
Northern Goshawk 19 - 23 Red-tailed Hawk 17 - 21
Swainson's Hawk 19 - 27 Northern Goshawk 17 - 23
Rough-legged Hawk 20 - 25 Rough-legged Hawk 17 - 24
Great Gray Owl 20 - 25 Gyrfalcon 18 - 21
Ferruginous Hawk 24 - 29 Ferruginous Hawk 20 - 24
Gyrfalcon 24 - 35 Great Gray Owl 20 - 24
Snowy Owl 25 - 29 Osprey 21 - 25
Osprey 25 - 40 Snowy Owl 22 - 27
Golden Eagle 34 - 42 Golden Eagle 30 - 38
Bald Eagle 36 - 43 Bald Eagle 32 - 39



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