Acknowledgments
This work was supported by a Nelson Mandela University Research Themes
Grant (BS), and an NRF Thuthuka Grant (no. 106958) to (BS). Funding was
also provided by BirdLife South Africa (KNO), and the Tygerberg Bird
Club (KNO). A special thanks to the following locations for granting
access for sample collection: Blue Hill Nature Reserve (Lee family),
Driehoek (Du Toit family), Sanddrif (Nieuwoudt family), Kleinrivier
Wilderness, Drie Kuilen Nature Reserve, Tenahead Lodge, Tiffendell Ski
Resort, and many Cape Nature reserves (Kogelberg, Kammanassie,
Cederberg, Anysberg, and Swartberg). Data collection was accomplished
with help from Campbell Fleming, Cameryn Brock, Nick Pattinson, Sophie
Monsarrat, Alex Thouzeau, Shelby Bohn, Lauren Bailey, and Maxine Smit.
Last but certainly not least, thanks to Dr Ângela Ribeiro for her
comments on an early draft which were exceedingly beneficial to our
manuscript.