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Distinguishing Black-tailed Godwit subspecies limosa and melanuroides using quantitative assessment of plumage

Vitaly E. Polyakov, Auteur

Dans Wader Study (122(1) 2015)

For two subspecies of the Black-tailed Godwit, I have developed and adapted a new method for the quantitative assessment of the density of the dark bars on the belly and the number of barred feathers in the undertail coverts for the purposes of [...]

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