1. Oiled Wildlife Care Network, Karen C. Drayer Wildlife Health Center, School of Veterinary Medicine, 1089 Veterinary Medicine Drive, Davis, California 95616, USA
2. US Geological Survey, South Carolina Cooperative Fish & Wildlife Research Unit, Clemson University, 260 Lehotsky Hall, Department of Forestry & Environmental Conservation, Clemson, South Carolina 29634, USA
3. South Carolina Cooperative Fish & Wildlife Research Unit, Clemson University, 260 Lehotsky Hall, Department of Forestry & Environmental Conservation, Clemson, South Carolina 29634, USA