About the Authors

A. P. Baltensperger

abaltens@alaska.edu

Affiliation EWHALE Lab, Department of Biology and Wildlife, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America

F. Huettmann

Affiliation EWHALE Lab, Department of Biology and Wildlife, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: APB FH. Performed the experiments: APB FH. Analyzed the data: APB FH. Contributed reagents/materials/analysis tools: APB FH. Wrote the paper: APB FH.