1. U.S. Geological Survey, Western Ecological Research Center Santa Cruz Field Station 2885 Mission Street Santa Cruz CA 95060 USA
2. Polar Science Center, Applied Physics Laboratory University of Washington 1013 NE 40th Street Seattle WA 98105 USA
3. California Department of Fish and Wildlife Office of Spill Prevention and Response—Veterinary Services 1385 Main Street Morro Bay CA 93442 USA
4. Earth Research Institute University of California, Santa Barbara, Santa Barbara California 93106 USA
5. Partnership for Interdisciplinary Studies of Coastal Oceans (PISCO), Long Marine Laboratory, 115 McAllister Way University of California Santa Cruz CA 95060 USA
6. U.S. Fish and Wildlife Service Ventura CA 93003 USA
7. U.S. Geological Survey Western Ecological Research Center 3020 State University Drive Sacramento CA 95819 USA