About the Authors

Julie M. Andersen

jmandersen77@gmail.com

Affiliation Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada

Mette Skern-Mauritzen

Affiliation Marine Mammal Research Department, Institute of Marine Research, Bergen, Norway

Lars Boehme

Affiliation Sea Mammal Research Unit, Scottish Oceans Institute, University of St. Andrews, St. Andrews, United Kingdom

Yolanda F. Wiersma

Affiliation Department of Biology, Memorial University of Newfoundland, St. John’s, Newfoundland and Labrador, Canada

Aqqalu Rosing-Asvid

Affiliation Greenland Institute of Natural Resources, Nuuk, Greenland

Mike O. Hammill

Affiliation Science Branch, Department of Fisheries and Oceans, Institute du Maurice Lamontang, Mont Joli, Quebec, Canada

Garry B. Stenson

Affiliation Science Branch, Department of Fisheries and Oceans, Northwest Atlantic Fisheries Centre, St. John’s, Newfoundland and Labrador, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GBS MOH AR. Performed the experiments: GBS MOH AR. Analyzed the data: JMA MS YW. Contributed reagents/materials/analysis tools: LB MS YW. Wrote the paper: JMA GBS YW.