1. The UWA Oceans Institute, School of Animal Biology, The University of Western Australia; Crawley Western Australia 6009 Australia
2. Centre for Marine Futures, The University of Western Australia; Crawley Western Australia 6009 Australia
3. Centre for Marine Science and Technology, Curtin University; Perth Western Australia 6845 Australia
4. Centre for Whale Research (WA) Inc.; Fremantle Western Australia 6959 Australia