Example 2
IMG 0067

Fringilla montifringilla

(Brambling, Pinson du Nord, Bergfink, Pinzón real)

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9 Secondaries of the left wing

 

Feather P1 P2 P3 P4 P5 P6 P7 P8 P9 P10
Length (mm) 61 62 64 66 71 77 78 78 76 12

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