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Snowy Owl
(Bubo scandiacus)
Formerly (Nyctea scandiacus)

 

 

Skull

Snowy Owl Skull
Snowy Owl Skull

Snowy Owl Skull
Dorsal View
Ventral View
Lateral View

 


Total Length Male = 84.58 - 87.16 mm Mean = 85.86 mm (n=4) Female = 86.57 - 94.54 mm Mean = 90.97 mm (n=10)
Width Male = 60.26 - 63.28 mm  Mean = 61.72 mm (n=9) Female = 59.59 - 63.92 mm Mean = 62.05 mm (n=9)





 

Tarsometatarsus



Right and Left
Anterior View
Left and Right
Posterior View

 

Total Length Male = 49.18 - 53.63 mm Mean = 52.40 mm (n=9) Female = 51.56 - 57.25 mm Mean = 55.40 mm (n=11)
Proximal End Width Male = 14.83 - 16.59 mm Mean = 15.35 mm (n=9) Female = 14.50 - 17.20 mm Mean = 16.39 mm (n=11)
Distal End Width Male = 15.95 - 18.01 mm Mean = 17.09 mm  (n=9) Female = 16.38 - 19.55 mm Mean = 18.71 mm  (n=11)

 




Tibiotarsus




Right and Left
Anterior View
Left and Right
Posterior View

 

Total Length Male = 109.88 - 118.09 mm Mean = 114.63 mm  (n=9) Female =111.84 - 124.46 mm Mean = 121.05 mm (n=11)
Proximal End Width Male 15.69 - 17.64 mm Mean = 16.60 mm  (n=9) Female = 16.43 - 18.68 mm Mean = 18.05 mm (n=9)
Distal End Width Male = 14.49 - 16.84 mm Mean = 15.58 mm  (n=9) Female = 14.88 - 17.35 mm Mean = 16.61 mm (n=11)

 

 


 

Femur



Right and Left
Anterior View
Left and Right
Posterior View

 

Total Length Male = 83.23 - 87.57 mm Mean = 85.72 mm  (n=9) Female =83.3 - 93.96 mm Mean = 90.46 mm  (n=11)
Proximal End Width Male = 16.91 - 18.79 mm Mean =17.75 mm  (n=9) Female = 16.21 - 20.36 mm Mean =18.59 mm (n=11)
Distal End Width Male = 16.85 - 18.61 mm Mean = 17.42 mm  (n=9) Female = 16.41 - 19.82 mm Mean = 18.77 mm (n=11)

 

 



Humerus




Right and Left
Anterior View
Left and Right
Posterior View

 


Total Length Male = 142.16 - 149.71 mm Mean = 146.86 mm (n=9) Female = 142.71 - 163.9 mm Mean =156.20 mm (n=11)
Proximal End Width Male 25.16 - 26.72 mm Mean = 26.00 mm  (n=9) Female 25.36 - 28.74 mm Mean = 27.55 mm  (n=11)
Distal End Width Male = 22.83 - 24.85 mm Mean = 23.96 mm (n=9) Female = 23.20 - 26.33 mm Mean = 25.21 mm  (n=11)


 



Ulna


Left and Right
Extensor View
Right and Left
Palmer View

 

Total Length Male = 160.40 - 169.40 mm Mean = 165.42 mm  (n=9) Female = 161.4 - 185.8 mm Mean = 175.93 mm (n=11)
Proximal End Width Male = 14.48 - 17.27 mm Mean = 15.76 mm (n=9) Female = 15.51 - 18.31 mm Mean = 16.91 mm  (n=11)
Distal End Width Male = 11.33 - 13.30 mm Mean = 12.34 mm (n=8) Female = 11.99 - 14.12 mm Mean = 13.01 mm (n=11)

 

 



Radius



Right and Left
Dorsal or Extensor View
Left and Right
Ventral or Palmar View


Total Length Male = 154.90 - 164.40 mm Mean = 160.20 mm  (n=9) Female 155.85 - 179.50 mm Mean = 169.65 mm  (n=11)
Proximal End Width Male = 8.55 - 9.39 mm Mean = 9.00 mm (n=8) Female = 8.88 - 10.05 mm Mean = 9.39 mm (n=11)
Distal End Width Male = 11.45 - 12.47 mm Mean = 11.91 mm  (n=9) Female = 11.89 - 13.21 mm Mean = 12.72 mm  (n=11
)

 

 



Carpometacarpus



Right and Left
Palmar View
Left and Right
Extensor View

 

Total length Male =75.92 - 82.02 mm Mean = 79.72 mm  (n=9) Female = 79.35 - 89.52 mm Mean = 85.56 mm (n=11)
Proximal End Width Male = 13.97 - 14.99 mm Mean = 14.38 mm  (n=9) Female =14.59 - 17.71 mm Mean = 15.80 mm  (n=11)
Distal End Width Male = 11.89 - 13.27 mm Mean = 12.47 mm  (n=9) Female = 11.98 - 13.97 mm Mean = 13.19 mm  (n=11)

 

 

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