Example 1
IMG 9209

Passer montanus

(Tree Sparrow, Moineau friquet, Feldsperling, Gorrión molinero)

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1st row: 10 primaries (17-61-51 mm) and 2 alula-feathers (19-13 mm), 2nd row: 9 secondaries (50-29 mm); 3rd row: 7 greater coverts (25-23 mm) and 7 median coverts (9-12 mm)