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Ageing North American Landbirds by Molt Limits and Plumage Criteria

Ageing North American Landbirds by Molt Limits and Plumage Criteria

This photo guide accompanies Pyle Guide Part 1, and is extremely helpful as a visual aid in identification of molt limits and plumage patterns.
— Molly Garson
Etiquetados: ageing molt limits plumage publications Resources