Life histories of North American cuckoos, goatsuckers, hummingbirds and their allies
Series: Smithsonian Institution.  United States National Museum. Bulletins, 176; Bulletin (United States National Museum) -- 176.
Publisher: U. S. Govt. Print. Off.
Published: 1940
Place of publication: Washington
Language: eng
Number of pages: 506
Subjects: Caprimulgidae; Hummingbirds; Cuckoos; Birds