1. Colorado Cooperative Fish and Wildlife Research Unit; Department of Fish, Wildlife and Conservation Biology; Colorado State University; Fort Collins CO 80523-1484 USA
2. Centre ValBio Research Station; BP 33 Ranomafana 312 Ifanadiana Madagascar
3. School of Forestry and Wildlife Sciences; Auburn University; Auburn AL 36849 USA
4. College of Veterinary Medicine; Auburn University; Auburn AL 36849 USA
5. Department of Ecology and Evolution; Stony Brook University; Stony Brook NY 11794 USA
6. Department of Biochemistry; Stanford University; Stanford CA 94305-5307 USA