How many species of birds have existed?
By: Pierce Brodkorb.
Contributors: Florida State Museum.
Series: Bulletin of the Florida State Museum -- v. 5, no. 3
Publisher: University of Florida
Published: 1960
Place of publication: Gainesville
Language: eng
Number of pages: 53
Subjects: Birds -- Evolution.; Birds -- Speciation.
Notes: Cover title.

Bibliography: p. 51-53.