Blood Parasites in Owls with Conservation Implications for the Spotted Owl (Strix occidentalis) Ishak, Heather D. ; Dumbacher, John P. ; Anderson, Nancy L. ; Keane, John J. ; Valkiūnas, Gediminas ; Haig, Susan M. ; Tell, Lisa A. ; Sehgal, Ravinder N. M. Abstract Publication: PLoS ONE Pub Date: May 2008 DOI: 10.1371/journal.pone.0002304 Bibcode: 2008PLoSO...3.2304I