Example 1
IMG 0268

Aythia fuligula

(Tufted Duck, Fuligule morillon, Reiherente, Porrķn moņudo)

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2 Primaries, 2 secondaries, and 1 underwing-covert of the right wing

 

Feather Pb Pa Sa Sb
Length (mm) 153 104 86 85

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