ANDREW T. KNIGHT,^* ROBERT J. SMITH,^** RICHARD M. COWLING,^*** PHILIP G. DESMET,^**** DANIEL P. FAITH,^***** SIMON FERRIER,^****** CAROLINE M. GELDERBLOM,^******* HEDLEY GRANTHAM,^******** AMANDA T. LOMBARD,^********* KRISTAL MAZE,^********** JEANNE L. NEL,^******* JEFFREY D. PARRISH,^*********** GENEVIEVE Q. K. PENCE,^************ HUGH P. POSSINGHAM,^{*************} BELINDA REYERS,^******* MATHIEU ROUGET,^********** DIRK ROUX,^******* KERRIE A. WILSON<sup>**************


*</sup>Andrew T. Knight (e-mail: tawnyfrogmouth@gmail.com) is a research associate with the DST-NRF (Department of Science and Technology, National Research Foundation) Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, at the University of Cape Town, Rondebosch 7701, South Africa
^**Robert J. Smith is a postdoctoral research fellow with the Durrell Institute of Conservation and Ecology, University of Kent, Canterbury, Kent CT2 7NS, United Kingdom.
^***Richard M. Cowling is a professor with the Department of Botany, Nelson Mandela Metropolitan University, Port Elizabeth 6031, South Africa.
^****Philip G. Desmet is affiliated with the Leslie Hill Institute for Plant Conservation, at the University of Cape Town, Rondebosch 7701, South Africa.
^*****Daniel P. Faith is a principal research scientist at the Australian Museum, Sydney, New South Wales 2010, Australia.
^******Simon Ferrier is a principal research scientist with the New South Wales Department of Environment and Conservation, PO Box 402, Armidale 2350, Australia.
^*******Caroline M. Gelderblom, Jeanne L. Nel, Belinda Reyers, and Dirk Roux work for Natural Resources and the Environment, Council for Scientific and Industrial Research, Stellenbosch 7599, South Africa.
^********Hedley Grantham is a PhD student, at the Ecology Centre, University of Queensland, Brisbane, Queensland 4072, Australia.
^*********Amanda T. Lombard is a research associate with the Department of Botany, Nelson Mandela Metropolitan University, and the Marine Biology Research Unit, University of Cape Town.
^**********Kristal Maze and Mathieu Rouget are the director and manager, respectively, of the GIS Laboratory for the Biodiversity Directorate of the South African National Biodiversity Institute, Pretoria 0001, South Africa.
^***********Jeffrey D. Parrish is vice president of the Manomet Center for Conservation Sciences, Manomet, MA 02345, USA.
^************Genevieve Q. K. Pence is an independent conservation planner currently working on the CAPE (Cape Action for People and the Environment) Fine Scale Biodiversity Planning Project, Scarborough 7975, South Africa.
^{*************}Hugh P. Possingham is the director, at the Ecology Centre, University of Queensland, Brisbane, Queensland 4072, Australia.
^{**************}Kerrie A. Wilson is a postdoctoral research fellow, at the Ecology Centre, University of Queensland, Brisbane, Queensland 4072, Australia.