Breeding and other habits of casqued hornbills
Subtitle: (Bycanistes subcylindricus)
Series: Smithsonian miscellaneous collections -- v. 131, no. 9
Publisher: Smithsonian Institution
Published: 1956
Place of publication: Washington
Language: eng
Number of pages: 45
Subjects: Hornbills; Birds; Habits and behavior
Notes: Smithsonian Institution. Publication 4259.

References: p. 45.