A new species of swift of the genus Cypseloides from northeastern South America (Aves: Apodidae)
By: by Charles T. Collins.
Series: Contributions in science,; no. 229
Publisher: Natural History Museum
Published: 1972
Place of publication: Los Angeles
Language: eng
Subjects: Swifts -- Classification.; Birds -- Classification.; Birds -- South America -- Classification.
Other titles: Cypseloides from northeastern South America (Aves: Apedidae)
Notes: Bibliography: p. 8-9.
Cover title.
Summary in Spanish.