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Northern Harrier
(Circus cyaneus)


Skull




Dorsal View
Ventral View
Lateral View

 

Total Length Male = 60.23 - 65.01 mm Mean = 63.09 mm (n=3) Female = 57.26 - 67.25 mm Mean = 63.95 mm (n=12)
Width Male = 34.04 - 39.56 mm Mean = 36.87 mm (n=6) Female = 34.32 - 40.20 mm Mean = 35.97 mm (n=10)

 

 


 

Tarsometatarsus



Right and Left
Anterior View
Left and Right
Posterior View

 


Total Length Male = 73.30 - 82.97 mm Mean = 77.40 mm (n=6) Female = 73.76 - 84.90 mm Mean = 79.02 mm (n=12)
Proximal End Width Male = 8.42 - 9.94 mm Mean = 9.14 mm (n=6) Female = 8.21 - 10.26 mm Mean = 9.43 mm (n=12)
Distal End Width Male = 8.95 - 10.96 mm Mean = 9.92 mm (n=6) Female = 8.74 - 11.18 mm Mean = 10.25 mm (n=12)

 

 


 

Tibiotarsus



Right and Left
Anterior View
Left and Right
Posterior View

 

Total Length Male = 92.28 - 107.96 mm Mean = 98.71 mm (n=6) Female = 93.52 - 106.01 mm Mean = 101.28 mm (n=12)
Proximal End Width Male = 9.94 - 11.77 mm Mean = 10.52 mm (n=6) Female = 7.87 - 12.41 mm Mean = 10.86 mm (n=12)
Distal End Width Male = 8.12 - 9.64 mm Mean = 8.88 mm (n=6) Female = 7.87 - 10.19 mm Mean = 9.21 mm (n=12)

 

 



Femur



Right and Left
Anterior View
Left and Right
Posterior View

 


Total Length Male = 63.22 - 73.31 mm Mean = 68.20 mm (n=6) Female = 63.60 - 74.63 mm Mean = 69.95 mm (n=12)
Proximal End Width Male = 10.66 - 12.65 mm Mean = 11.46 mm (n=6) Female = 10.53 - 13.24 mm Mean = 11.94 mm (n=11)
Distal End Width Male = 10.58 - 12.75 mm Mean = 11.67 mm (n=6) Female = 10.57 - 13.44 mm Mean = 12.10 mm (n=12)

 

 



Humerus




Right and Left
Anterior View
Left and Right
Posterior View

 


Total Length Male = 83.66 - 97.35 mm Mean = 89.40 mm (n=6) Female = 83.73 - 97.45 mm Mean = 91.37 mm (n=10)
Proximal End Width Male = 15.35 - 18.06 mm Mean = 16.44 mm (n=6) Female = 15.24 - 17.64 mm Mean = 1681 mm (n=10)
Distal End Width Male = 13.81 - 15.60 mm Mean = 14.78 mm (n=6) Female = 13.81 - 16.23 mm Mean = 15.15 mm (n=12)

 




Ulna



Left and Right
Extensor View
Right and Left
Palmer View


Total Length Male = 97.28 - 113.78 mm Mean = 106.64 mm (n=5) Female = 98.34 - 114.84 mm Mean = 107.55 mm (n=12)
Proximal End Width Male = 9.10 - 12.16 mm Mean = 10.48 mm (n=6) Female = 9.32 - 12.34 mm Mean = 10.76 mm (n=12)
Distal End Width Male = 7.53 - 8.31 mm Mean = 7.94 mm (n=5) Female = 7.07 - 9.69 mm Mean = 8.11 mm (n=12)

 




Radius



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


Total Length Male = 91.04 - 106.73 mm Mean = 100.73 mm (n=5) Female = 92.55 - 108.36 mm Mean = 101.15 mm (n=12)
Proximal End Width Male = 4.54 - 6.22 mm Mean = 5.18 mm (n=6) Female = 4.67 - 7.49 mm Mean = 5.70 (n=12)
Distal End Width Male = 4.52 - 6.97 mm Mean = 6.33 mm (n=5) Female = 4.56 - 7.41 mm Mean = 6.23 mm (n=12)

 




Carpometacarpus



Right and Left
Palmar View
Left and Right
Extensor View

 

Total Length Male = 52.42 - 59.97 mm Mean = 56.63 mm (n=6) Female = 53.01 - 62.32 mm Mean = 58.17 mm (n=12)
Proximal End Width Male = 12.48 - 13 58 mm Mean = 12.40 mm (n=6) Female = 12.04 - 13.89 mm Mean = 12.33 mm (n=11)
Distal End Width Male = 7.71 - 10.99 mm Mean = 8.69 mm (n=6) Female = 7.38 - 10.72 mm Mean = 8.94 mm (n=12)

 

 

 

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