Two new owls from Arizona: with description of the juvenal plumage of Strix occidentalis occidentalis (Xantus)
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Bibliographic Details
Main Author: Swarth, Harry S. (Author)
Format: Book
Language:English
Published: Berkeley The University press 1910
Series:University of California publications in Zoology 7,1
Subjects:
Item Description:Cover title. - "Literature cited": p. 8
Physical Description:8 S.

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