Great Horned Owl
(Bubo virginianus)
Skull
 |
 |
 |
Dorsal View |
Ventral View |
Lateral
View |
Total Length Male =
81.40 - 90.56 mm Mean = 85.15 mm (n=13) Female
= 86.35 - 90.98 mm Mean = 87.98 mm (n=9)
Width Male = 62.41 - 66.79 mm Mean = 64.38 mm (n=12) Female =
63.22 - 66.84 mm Mean = 65.41 mm (n=9)
 |
 |
Right
and Left Anterior View |
Left and
Right Posterior View |
Total
Length Male = 58.88 - 63.47 mm Mean = 61.41 mm (n=12) Female = 59.94 -
65.06 mm Mean = 62.58 mm (n=10)
Proximal End Width Male = 13.73 - 16.08 mm Mean = 14.91 mm (n=12) Female
=13.86 - 16.72 mm Mean = 15.89 mm (n=10)
Distal End Width Male = 15.42 - 19.21 mm Mean =16.61 mm (n=13) Female
= 17.25 - 19.19 mm Mean = 18.51 mm (n=10)
|
|
 |
Right and Left Anterior View |
Left and Right Posterior View |
Total Length Male = 116.72
- 125.47 mm Mean = 120.60 mm (n=13) Female = 116.92 mm Mean
= 124.65 mm (n=10)
Proximal End Width Male 15.88 - 16.97 mm Mean = 16.64 mm (n=4)
Female = 14.94 - 16.76 mm Mean = 15.85 mm (n=2)
Distal End Width Male = 14.04 - 16.50 mm Mean = 15.29 mm (n=12)
Female = 16.31 - 17.13 mm Mean = 16.34 mm (n=10)
 |
 |
Right and Left Anterior View |
Left and Right Posterior View |
Total
Length Male = 78.70 - 85.16 mm Mean = 82.17 mm (n=13) Female =
77.18 - 87.31mm Mean = 84.39 mm (n=10)
Proximal End Width Male = 15.51 - 17.53 mm Mean = 16.55 mm (n=11)
Female = 14.61 - 18.07mm Mean = 16.95 mm (n=10)
Distal End Width Male = 14.95 - 17.78 mm Mean =16.43 mm (n=10)
Female = 16.84 - 18.15 mm Mean = 17.36 mm (n=10)
 |
 |
Right and Left Anterior View |
Left and Right Posterior View |
Total Length Male = 121.78 - 137.28 mm Mean =
129.21 mm (n=13)
Female = 123.47 - 138.15 mm Mean = 131.58 mm (n=9)
Proximal End Width Male = 21.17 - 24.23 mm Mean = 22.63 mm (n=11)
Female = 22.71 - 24.27 mm Mean = 23.19 mm (n=10)
Distal End Width Male = 20.52 - 24.09 mm Mean = 21.85 mm (n=11) Female
= 20.15 - 23.65 mm Mean = 20.29 mm (n=10)
 |
 |
Left and Right Extensor View |
Right and Left Palmer View |
Total
Length Male = 136.99 - 153.25 mm Mean = 145.01 mm (n=12) Female
= 141.64 - 153.99 mm Mean = 149.60 mm (n=9)
Proximal End Width Male = 13.21 - 15.29 mm Mean = 14.29 mm (n=11) Female
= 12.78 - 15.28 mm Mean = 13.02 mm (n=10)
Distal End Width Male = 10.30 - 11.28 mm Mean = 10.96 mm (n=12) Female
= 10.05 - 11.97 mm Mean = 11.06 mm (n=9)
 |
 |
Right and Left Dorsal or Extensor View |
Left and Right Ventral or Palmar View |
Total
Length Male = 131.89 - 147.85 mm Mean = 140.22 mm (n=12) Female
135.68 - 146.88 mm Mean = 142.99 mm (n=8)
Proximal End Width Male =7.33 - 9.04 mm Mean = 8.07 mm (n=11) Female
= 8.08 - 8.73 mm Mean = 8.33 mm (n=9)
Distal End Width Male = 9.65 - 11.07 mm Mean = 10.56 mm (n=11)
Female = 9.78 - 11.09 mm Mean = 10.75 mm (n=8)
 |
 |
Right and Left Palmar View |
Left and Right Extensor View |
Total
length Male = 63.69 - 68.81 mm Mean = 65.52 mm (n=13) Female =
65.22 - 69.06 mm Mean = 67.25 mm (n=9)
Proximal End Width Male = 12.58 - 14.73 mm Mean = 13.50 mm (n=12)
Female = 12.58 - 14.90 mm Mean = 13.87 mm (n=9)
Distal End Width Male 10.52 - 12.01 mm Mean = 11.54 mm (n=12) Female
= 11.36 - 12.35 mm Mean = 11.74 mm (n=9)
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