. The distribution of bird life in the Urubamba valley of Peru; a report on the birds collected by the Yale university National geographic society's expeditions. Birds. Headwaters of the Urubamba River at La Raya Pass. Altitude 14,150 feet. Puna Zone. Photographed by Chapman, June 30, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chapman, Frank M. (Frank Michler), 1864-1945. Washington, Govt. print. off.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1921