Example 10
IMG 1238

Accipiter nisus

(Sparrowhawk, Epervier d'Europe, Sperber, Gavilán común)



8 Secondaries of the right wing


Feather S1 S2 S3 S4 S5 S6 S7 S8
Length (mm) 140 140 134 130 125 119 114

To see the feather in natural size follow the Instruction.
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