About the Authors

Lesley H. Thorne

lesley.thorne@stonybrook.edu

Affiliations School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, New York, United States of America, Duke University Marine Laboratory, Division of Marine Science and Conservation, Nicholas School of the Environment, Duke University, Beaufort, North Carolina, United States of America

David W. Johnston

Affiliations Duke University Marine Laboratory, Division of Marine Science and Conservation, Nicholas School of the Environment, Duke University, Beaufort, North Carolina, United States of America, Pacific Islands Photo-Identification Network, Honolulu, Hawai'i, United States of America, Cetacean Research Unit, Centre for Fish, Fisheries and Aquatic Ecosystems Research, Murdoch University, Murdoch, Western Australia, Australia

Dean L. Urban

Affiliation Nicholas School of the Environment, Duke University, Durham, North Carolina, United States of America

Julian Tyne

Affiliation Cetacean Research Unit, Centre for Fish, Fisheries and Aquatic Ecosystems Research, Murdoch University, Murdoch, Western Australia, Australia

Lars Bejder

Affiliations Duke University Marine Laboratory, Division of Marine Science and Conservation, Nicholas School of the Environment, Duke University, Beaufort, North Carolina, United States of America, Cetacean Research Unit, Centre for Fish, Fisheries and Aquatic Ecosystems Research, Murdoch University, Murdoch, Western Australia, Australia

Robin W. Baird

Affiliation Cascadia Research Collective, Olympia, Washington, United States of America

Suzanne Yin

Affiliations Pacific Islands Photo-Identification Network, Honolulu, Hawai'i, United States of America, Hawai'i Marine Mammal Consortium, Kamuela, Hawai'i, United States of America

Susan H. Rickards

Affiliations Pacific Islands Photo-Identification Network, Honolulu, Hawai'i, United States of America, Hawai'i Marine Mammal Consortium, Kamuela, Hawai'i, United States of America

Mark H. Deakos

Affiliations Pacific Islands Photo-Identification Network, Honolulu, Hawai'i, United States of America, Hawai'i Association for Marine Education and Research, Inc., Lahaina, Hawai'i, United States of America, The Dolphin Institute, Honolulu, Hawai'i, United States of America

Joseph R. Mobley Jr

Affiliation Marine Mammal Research Consultants, Honolulu, Hawai'i, United States of America

Adam A. Pack

Affiliations Pacific Islands Photo-Identification Network, Honolulu, Hawai'i, United States of America, The Dolphin Institute, Honolulu, Hawai'i, United States of America, Psychology and Biology Departments, University of Hawai'i at Hilo, Hilo, Hawai'i, United States of America

Marie Chapla Hill

Affiliations Pacific Islands Photo-Identification Network, Honolulu, Hawai'i, United States of America, Joint Institute for Marine and Atmospheric Research, University of Hawai'i at Mānoa, Honolulu, Hawai'i, United States of America

Competing Interests

Author Joseph R. Mobley is employed by the company “Marine Mammal Research Consultants.” This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: LHT DWJ. Performed the experiments: LHT. Analyzed the data: LHT. Contributed reagents/materials/analysis tools: LHT DWJ DLU JT LB RWB SY SHR MHD JRM AAP MCH. Wrote the paper: LHT DWJ.