Conservation notes
Subtitle: birds.
Series: Circular -- 77; Circular (U.S. Fish and Wildlife Service) -- 77
Publisher: U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife
Published: 1959
Place of publication: Washington, D.C
Language: eng
Subjects: Birds -- Conservation -- United States; Birds -- Ecology -- United States
Notes: Caption title.

"Issued November 1959. Reprinted February 1961." -- P. [4].