Burrowing owls and agricultural pesticides: evaluation of residues and risks for three populations in California, USA. Gervais, J. A., D. K. Rosenberg, D. M. Fry, L. Trulio, and K. K. Sturm. 2000. Environmental Toxicology and Chemistry 19(2):337-343. Gervais-et-al-ETC-2000.pdf View | Download