Media type: E-Article Title: Further Observations of Predation by Black-Billed Magpies on Small Mammals Contributor: Boxall, Peter C. imprint: Northeastern Bird-Banding Association, Inc., 1982 Published in: Journal of Field Ornithology Language: English ISSN: 0273-8570; 1557-9263 Keywords: General Notes Origination: Footnote: Access State: Open Access