Status of the Spotted Owl, Strix occidentalis, and Barred Owl. S. varia, in southwestern British Columbia
Dunbar, David L. Booth, Barry P. Forsman, Eric D Hetherington, Ann E. Wilson, Douglas W.
Article
1991
The Canadian field-naturalist
105
Issue: 4
464--468
New York Botanical Garden, LuEsther T. Mertz Library
English
Ottawa Ottawa Field-Naturalists' Club
DOI: https://doi.org/10.5962/p.358095
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