The behavior of some young raptorial birds
By: by E. Lowell Sumner, jr.
Series: University of California publications in zoology -- v. 40, no. 8
Publisher: University of California press
Published: 1934
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 361
Subjects: Owls.; Eagles.; Animal intelligence.
Notes: Cover title.

"Contribution from the University of California Museum of vertebrate zoology."

"Literature cited": p. 359-361.