The distribution of bird life in the Urubamba valley of Peru
Subtitle: a report on the birds collected by the Yale university National geographic society's expeditions
By: by Frank M. Chapman.
Series: Smithsonian institution. United States National museum. Bulletin 117
Publisher: Govt. print. off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 138
Subjects: Birds -- Peru.