1Department of Conservation Ecology and Entomology, Stellenbosch University, 7602 Stellenbosch, South Africa
2Department of Mathematical Sciences, Stellenbosch University, and African Institute for Mathematical Sciences, Stellenbosch, Western Cape, South Africa
3The Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
4Department of Biodiversity and Conservation Biology, University of the Western Cape, Bellville 7535, South Africa
5Western Cape Provincial Veterinary Laboratory, Stellenbosch, South Africa
Author for correspondence: Sonja Matthee, E-mail: [email protected]
Received September 03, 2018
Received in revised form November 21, 2018
Accepted December 04, 2018
Online date: February 06, 2019