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By: Vaurie, Charles - Zimmer, John T. (John Todd), - Hellmayr, Carl Eduard,Edition:Publication info: New York, N.Y, American Museum of Natural History, [1973]Volume: no. 2515Series:Holding Institution: American Museum of Natural History LibrarySubjects: Amazon River Valley Birds Bolivia Furnarius Pale-legged hornero Peru VariationBHL Collections: