Author Affiliations +
Ian G. Jamieson,1,* Susan B. McRae,2,** Robert E. Simmons,3 Michael Trewby4
1aDepartment of Zoology, University of Otago, P.O. Box 56, Dunedin, New Zealand
2bDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, United Kingdom
3cOrnithology Programme, Ministry of Environment and Tourism, Private Bag 13306, Windhoek, Namibia
4dDepartment of Biology, University of Namibia, Windhoek, Namibia
*ian.jamieson@stonebow.otago.ac.nz
**Present address: Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, USA.