1. Illinois Natural History Survey‐Prairie Research Institute University of Illinois Urbana‐Champaign Champaign IL USA
2. Department of Pathobiology College of Veterinary Medicine University of Illinois Urbana‐Champaign Urbana IL USA
3. Illinois Department of Natural Resources Division of Wildlife Resources Springfield IL USA
4. Department of Animal Sciences University of Illinois Urbana‐Champaign Urbana IL USA