Example 6
IMG 0322

Hirundo rustica

(Barn Swallow, Hirondelle rustique, Rauchschwalbe, Golondrina común)

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Complete left wing (underside)

 

Feather T6 T5 T4 T3 T2 T1 T1 T2 T3 T4 T5 T6
Length (mm) 99 70 61 54 52 48 48 52 55 60 69 97

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