Example 1
IMG 0877

Phylloscopus trochilus

(Willow Warbler, Pouillot fitis, Fitis, Mosquitero musical)

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10 Primaries of the right wing

 

Feather P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Length (mm) 26 45 51 52 52 49 47 46 45 44

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