1. Department of Ecology and Evolutionary Biology Cornell University Ithaca NY USA
2. U.S. Geological Survey New York Cooperative Fish and Wildlife Unit Cornell University Ithaca NY USA
3. Department of Natural Resources Cornell University Ithaca NY USA
4. New York Sea Grant SUNY Oswego Oswego NY USA
5. Bioacoustics Research Program Cornell Laboratory of Ornithology Cornell University Ithaca NY USA
6. Department of Forestry and Natural Resources Purdue University West Lafayette IN USA