1. Department of Fish, Wildlife and Conservation Biology; Colorado State University; Fort Collins Colorado
2. National Park Service; Natural Sounds and Night Skies Division; Fort Collins Colorado
3. Evolution and Ecology Department; University of California; Davis California
4. Sequoia & Kings Canyon National Parks; Three Rivers California
5. Everglades National Park; South Florida Natural Resources Center; Homestead Florida
6. Department of Biology; Colorado State University; Fort Collins Colorado