Example 2
IMG 4669

Calidris alpina

(Dunlin, Bécasseau variable, Alpenstrandläufer, Correlimos común)

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9 Primaries of the right wing

 

Feather Pa Pb Pc Pd Pe Pf Pg Ph Pi
Length (mm) 80a 91 86 80 75 68 63 58 54

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