Natural history of the Swainson's warbler.
Series: North American fauna,; no. 69
Publisher: U.S. Bureau of Sport Fisheries and Wildlife; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: [Washington
Language: eng
Number of pages: 90
Subjects: Swainson's warbler.
Notes: Bibliography: p. 84-90.