TABLE 1. List of authors’ collection sites (1993–2015).Site #LocationCo-ordinatesSouthEast16km east Kalkfontein22°04'S20°56'E277km W Nokaneng, roadside19°35'4"S21°27'13"E3Ghanzi21°41'S21°38'E4Shakawe, Fishing camp18°26'08"S21°54'21"E5Tsau W of Maun19°53'00"S22°14'15"E6Ngwana, Kau Hills20°59'S22°26'E7Kalahari NE Kuke20°59'S22°29'E8Maun19°45'S23°15'E9Maun, Sitatunga Crocodile Camp20°04'40"S23°21'20"E10Okavango-Delta, Moremi W.R., 3rd Bridge camp19°14'S23°21'E11Maun, Airport19°58'S23°25'E12Maun, Disaning19°58'S23°27'E13Maun, Sedie19°57'S23°27'E14Maun, Sedia Camp19°57'10"S23°28'42"E1530km N Maun, Okavangodelta, Camp19°42'59"S23°29'02"E16Maun, ORI19°54'S23°31'E17Maun, Sexaxa19°53'S23°31'E185km NW San-ta-wani Safari Lodge19°27'S23°38'E19Chobe Park, Savuti camp18°33'S24°03'E20Nxai Pan N.P.20°13'S24°38'E21Muchenje nr. Ngoma/Chobe17°56'52"S24°41'26E22Kasane, Chobe Lodge17°48'S25°08'E23Kasane camp17°47'08"S25°10'57"E2420km E Gweta, 930m20°09'49"S25°25'32"E2590km N Nata, NW-Bw19°19'S25°50'E