Example 9
IMG 0281

Garrulus glandarius

(Jay, Geai des chênes, Eichelhäher, Arrendajo común)

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7 Secondaries of the left wing

 

Feather S7 S6 S5 S4 S3 S2 S1
Length (mm) 72 90 110 117 127 133 143

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