1. Marine Mammal Institute, Oregon State University, OR 97365, USA
2. Institute of Environment, Department of Biological Sciences, Florida International University, North Miami, FL 33181, USA
3. University of Seychelles, Department of Environmental Sciences, Mahé, Seychelles
4. Oceanic Films, Gloucestershire GL-1, UK
5. Island Biodiversity and Conservation Centre, University of Seychelles, Anse Royale Campus, Box 1348, Victoria, Mahé, Republic of Seychelles