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American Kestrel
(Falco sparverius)

 

Skull



Dorsal View
Ventral View
Lateral View


Total Length Male = 38.17 - 42.04 mm Mean = 40.45 mm (n=8) Female = 40.11 - 43.16 Mean = 41.56 mm (n=13)
Width Male = 23.03 - 26.5 mm  Mean = 24.86 mm (n=11) Female = 23.16 - 26.28 Mean = 25.29 mm (n=15)


 



 

Tarsometatarsus



Right and Left
Anterior View
Left and Right
Posterior View

Total Length Male = 33.42 - 36.97 Mean = 35.67 mm (n=11) Female = 32.19 - 37.45 mm Mean = 35.60 mm (n=15)
Proximal End Width Male = 5.20 - 6.08 mm Mean = 5.5 mm (n=11) Female = 5.32 - 6.03 mm Mean = 5.68 mm (n=15)
Distal End Width Male = 5.03 - 6.01 mm Mean = 5.58 mm  (n=11) Female = 546 - 6.38 mm Mean = 5.82 mm  (n=15)

 



Tibiotarsus




Right and Left
Anterior View
Left and Right
Posterior View

>Total Length Male = 45.95 - 50.41 mm Mean = 48.75 mm  (n=10) Female = 47.07 - 52.89 mm Mean = 49.82 mm (n=14)
Proximal End Width Male 5.18 - 6.44 mm Mean = 5.79 mm  (n=11) Female = 5.61 - 6.67 mm Mean = 6.17 mm (n=14)
Distal End Width Male = 4.93 - 5.51 mm Mean = 5.31 mm  (n=10) Female = 5.18 - 6.00 mm Mean = 5.54 mm (n=14)

 

 


Femur



Right and Left
Anterior View
Left and Right
Posterior View

Total Length Male = 34.06 - 36.95 mm Mean = 35.91 mm  (n=10) Female = 35.54 - 38.76 mm Mean = 36.59 mm  (n=15)
Proximal End Width Male = 5.49 - 6.56 mm Mean = 6.02 mm  (n=10) Female = 568 - 6.88 mm Mean =6.28 mm (n=15)
Distal End Width Male = 5.51 - 6.16 mm Mean = 5.88 mm  (n=10) Female = 5.55 - 6.46 mm Mean = 6.14 mm (n=15)

 

 



Humerus




Right and Left
Anterior View
Left and Right
Posterior View


Total Length Male = 39.32 - 42.58 mm Mean = 41.36 mm (n=10) Female = 40.51 - 46.35 mm Mean = 43.24 mm (n=14)
Proximal End Width Male 8.29 - 10.82 mm Mean = 9.37 mm  (n=11) Female 8.56 - 12.70 mm Mean = 10.94 mm  (n=15)
Distal End Width Male = 6.78 - 7.62 mm Mean = 7.33 mm (n=10) Female = 7.36 - 7.97 mm Mean = 7.63 mm  (n=14)



 



Ulna


Left and Right
Extensor View
Right and Left
Palmer View

Total Length Male = 43.50 - 46.84 mm Mean = 46.17 mm  (n=11) Female = 45.48 - 52.46 mm mean = 48.12 mm (n=13)
Proximal End Width Male = 5.01 - 6.26 mm Mean = 5.38 mm (n=11) Female = 4.78 - 6.03 mm Mean = 5.51 mm  (n=13)
Distal End Width Male = 4.15 - 4.88 mm Mean = 4.62 mm (n=11) Female = 4.38 - 5.78 mm Mean = 5.01 mm (n=13)

 

 



Radius



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

Total Length Male = 40.05 - 44.75 mm Mean = 42.98 mm  (n=11) Female 42.18 - 48.95 mm Mean = 44.85 mm  (n=14)
Proximal End Width Male = 2.56 - 3.63 mm Mean = 3.02 mm (n=11) Female = 2.74 - 3.96 mm Mean = 3.46 mm (n=14)
Distal End Width Male = 2.29 - 4.47 mm Mean = 3.36 mm  (n=11) Female = 2.73 - 4.01 mm Mean = 3.23 mm  (n=14)

 

 



Carpometacarpus



Right and Left
Palmar View
Left and Right
Extensor View

 

Total length Male = 23.77 - 27.86 mm Mean = 26.76 mm  (n=10) Female = 26.30 - 30.73 mm Mean = 28.15 mm (n=14)
Proximal End Width Male = 6.56 - 7.45 mm Mean = 7.09 mm  (n=10) Female = 6.13 - 8.03 mm Mean = 7.16 mm  (n=14)
Distal End Width Male = 4.49 - 4.99 mm Mean = 4.74 mm (n=10) Female = 4.58 - 7.02 mm Mean = 5.24 mm  (n=14)

 

 

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