Example 2
IMG 7514

Dryocopus martius

(Black Woodpecker, Pic noir, Schwarzspecht, pito negro)

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8 Secondaries of the right wing

 

Feather S2 S3 S4 S5 S6 S7 S8 S9
Length (mm) 160 155 152 147 143 140 120 92

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