About the Authors
The Centre for Marine Futures (UWA Oceans Institute) and School of Animal Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia, Perth, Western Australia, Australia
Centre for Whale Research, Fremantle, Western Australia, Australia
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JEB JJM KCSJ. Performed the experiments: JEB JJM KCSJ. Analyzed the data: JEB JJM. Contributed reagents/materials/analysis tools: JJM KCSJ. Wrote the paper: JEB JJM KCSJ.