The birds of Ecuador and the Galapagos Archipelago
Subtitle: a checklist of all the birds known in Ecuador and the Galapagos Archipelago and a guide to help locate and see them
By: compiled and written by Thomas Y. Butler.
Publisher: Ramphastos Agency
Published: 1979
Place of publication: Portsmouth, N.H
Language: eng
Number of pages: 68
Subjects: Birds -- Ecuador.; Birds -- Galapagos Islands.
Notes: Bibliography: p. 11.