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Burrowing Owl
(Athene cunicularia)

 

 

Skull


Burrowing Owl Skull
Burrowing Owl Skull
Dorsal View
Ventral View
Lateral View


Total Length Male = 45.44 - 47.82 mm Mean = 46. 46 mm (n=5) Female = 46.11 - 48.94 mm Mean = 46.83 mm (n=7)
Width Male = 33.86 - 36. 79 mm  Mean = 35.49 mm (n=4) Female = 32.48 - 36.11 mm Mean = 35.2 mm (n=7)



 



 

Tarsometatarsus



Right and Left
Anterior View
Left and Right
Posterior View


Total Length Male = 41.88 - 48.94 mm Mean = 46.16 mm (n=7) Female = 48.12 - 43.54 mm Mean = 45.86 mm (n=9)
Proximal End Width Male = 6.56 - 7.17 mm Mean = 6.85 mm (n=7) Female = 6.47 - 7.00 mm Mean = 6.84 mm (n=9)
Distal End Width Male = 7.11 - 8.27 mm Mean = 7.59 mm  (n=7) Female = 7.02 - 7.67 mm Mean = 7.40 mm  (n=9)

 

 



 

Tibiotarsus




Right and Left
Anterior View
Left and Right
Posterior View

 

Total Length Male = 62.72 - 67.05 mm Mean = 65.28 mm  (n=7) Female = 61.13 - 69.01 mm Mean = 65.25 mm (n=9)
Proximal End Width Male 7.01 - 7.75 mm Mean = 7.46 mm  (n=7) Female = 6.87 - 7.46 mm Mean = 7.22 mm (n=8)
Distal End Width Male = 6.53 - 7.38 mm Mean = 6.86 mm  (n=7) Female = 6.48 - 7.17 mm Mean = 6.83 mm (n=9)

 

 


 

Femur



Right and Left
Anterior View
Left and Right
Posterior View


Total Length Male =36.24 - 39.70 mm Mean = 38.15 mm  (n=9) Female = 36.71 - 40.11 mm Mean = 38.17 mm  (n=8)
Proximal End Width Male = 6.88 - 7.78 mm Mean = 7.37 mm  (n=9) Female = 6.93 - 7.71 mm Mean = 7.278 mm (n=9)
Distal End Width Male = 6.99 - 7.84 mm Mean = 7.50 mm  (n=9) Female = 7.09 - 7.83 mm Mean = 7.47 mm (n=9)

 

 



Humerus




Right and Left
Anterior View
Left and Right
Posterior View

 


Total Length Male = 51.46 - 55.89 mm Mean = 54.91 mm (n=8) Female = 52.73 - 55.18 mm Mean = 54.50 mm (n=8)
Proximal End Width Male = 9.15 - 10.53 mm Mean = 9.80 mm  (n=9) Female 9.19 - 10.09 mm Mean = 9.69 mm  (n=9)
Distal End Width Male = 8.83 - 9.50 mm Mean = 9.12 mm (n=9) Female = 8.76 - 9.26 mm Mean = 8.98 mm  (n=9)


 

 



Ulna



Left and Right
Extensor View
Right and Left
Palmer View

 

Total Length Male = 63.46 - 71.00 mm Mean = 68.35 mm  (n=7) Female = 65.66 - 70.11 mm mean = 67.89 mm (n=8)
Proximal End Width Male = 5.95 - 6.22 mm Mean = 6.07 mm (n=7) Female = 5.68 - 6.12 mm Mean = 5.93 mm  (n=8)
Distal End Width Male = 4.65 - 5.33 mm Mean = 5.05 mm (n=7) Female = 4.55 - 5.19 mm Mean = 4.89 mm (n=8)

 

 



Radius



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

 


Total Length Male = 60.57 - 67.58 mm Mean = 65.34 mm  (n=7) Female 62.73 - 67.70 mm Mean = 65.08 mm  (n=8)
Proximal End Width Male = 3.48 - 3.75 mm Mean = 3.61 mm (n=7) Female = 3.25 - 3.68 mm Mean = 3.50 mm (n=8)
Distal End Width Male = 4.63 - 5.11 mm Mean = 4.77 mm  (n=7) Female = 4.51 - 4.78 mm Mean = 4.68 mm  (n=7)

 

 



Carpometacarpus



Right and Left
Palmar View
Left and Right
Extensor View

 

Total length Male = 29.02 - 34.18 mm Mean = 32.44 mm  (n=6) Female = 31.15 - 35.57 mm Mean = 32.69 mm (n=8)
Proximal End Width Male = 5.85 - 6.39 mm Mean = 6.20 mm  (n=6) Female = 5.86 - 6.36 mm Mean = 6.18 mm  (n=8)
Distal End Width Male = 4.54 - 4.91 mm Mean = 4.80 mm (n=7) Female = 4.37 - 5.12 mm Mean = 4.70 mm  (n=8)

 

 

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