Example 23
IMG 2945

Asio otus

(Long-eared Owl, Hibou moyen-duc, Waldohreule, Bho chico)

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6 Primaries (P1 - P6) of the left wing

 

Feather P1 P2 P3 P4 P5 P6
Length (mm) 152 160 171 184 198 215

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